Remove unused Doxygen configuration

Older versions of Doxygen warn about these.  So, remove them to make the build
less noisy since they are all either unused or set to their defaults anyway.

2 files changed, 0 insertions, 174 deletions

diff --git a/doc/c/layout.xml b/doc/c/layout.xml
index 1f63a76..938dbce 100644
--- a/doc/c/layout.xml
+++ b/doc/c/layout.xml
@@ -9,26 +9,12 @@
       <tab type="namespacelist" visible="yes" title="" intro=""/>
       <tab type="namespacemembers" visible="yes" title="" intro=""/>
     </tab>
-    <tab type="interfaces" visible="yes" title="">
-      <tab type="interfacelist" visible="yes" title="" intro=""/>
-      <tab type="interfaceindex" visible="$ALPHABETICAL_INDEX" title=""/> 
-      <tab type="interfacehierarchy" visible="yes" title="" intro=""/>
-    </tab>
     <tab type="classes" visible="yes" title="">
       <tab type="classlist" visible="yes" title="" intro=""/>
       <tab type="classindex" visible="$ALPHABETICAL_INDEX" title=""/> 
       <tab type="hierarchy" visible="yes" title="" intro=""/>
       <tab type="classmembers" visible="yes" title="" intro=""/>
     </tab>
-    <tab type="structs" visible="yes" title="">
-      <tab type="structlist" visible="yes" title="" intro=""/>
-      <tab type="structindex" visible="$ALPHABETICAL_INDEX" title=""/> 
-    </tab>
-    <tab type="exceptions" visible="yes" title="">
-      <tab type="exceptionlist" visible="yes" title="" intro=""/>
-      <tab type="exceptionindex" visible="$ALPHABETICAL_INDEX" title=""/> 
-      <tab type="exceptionhierarchy" visible="yes" title="" intro=""/>
-    </tab>
     <tab type="files" visible="yes" title="">
       <tab type="filelist" visible="yes" title="" intro=""/>
       <tab type="globals" visible="yes" title="" intro=""/>
@@ -47,7 +33,6 @@
       <nestedclasses visible="yes" title=""/>
       <publictypes title=""/>
       <services title=""/>
-      <interfaces title=""/>
       <publicslots title=""/>
       <signals title=""/>
       <publicmethods title=""/>
@@ -82,7 +67,6 @@
       <typedefs title=""/>
       <enums title=""/>
       <services title=""/>
-      <interfaces title=""/>
       <constructors title=""/>
       <functions title=""/>
       <related title=""/>
@@ -95,37 +79,6 @@
     <authorsection visible="yes"/>
   </class>
 
-  <!-- Layout definition for a namespace page -->
-  <namespace>
-    <briefdescription visible="yes"/>
-    <detaileddescription title=""/>
-    <memberdecl>
-      <nestednamespaces visible="yes" title=""/>
-      <constantgroups visible="yes" title=""/>
-      <interfaces visible="yes" title=""/>
-      <classes visible="yes" title=""/>
-      <structs visible="yes" title=""/>
-      <exceptions visible="yes" title=""/>
-      <typedefs title=""/>
-      <sequences title=""/>
-      <dictionaries title=""/>
-      <enums title=""/>
-      <functions title=""/>
-      <variables title=""/>
-      <membergroups visible="yes"/>
-    </memberdecl>
-    <memberdef>
-      <inlineclasses title=""/>
-      <typedefs title=""/>
-      <sequences title=""/>
-      <dictionaries title=""/>
-      <enums title=""/>
-      <functions title=""/>
-      <variables title=""/>
-    </memberdef>
-    <authorsection visible="yes"/>
-  </namespace>
-
   <!-- Layout definition for a file page -->
   <file>
     <briefdescription visible="yes"/>
@@ -135,16 +88,11 @@
     <includedbygraph visible="$INCLUDED_BY_GRAPH"/>
     <sourcelink visible="yes"/>
     <memberdecl>
-      <interfaces visible="yes" title=""/>
       <classes visible="yes" title=""/>
-      <structs visible="yes" title=""/>
-      <exceptions visible="yes" title=""/>
       <namespaces visible="yes" title=""/>
       <constantgroups visible="yes" title=""/>
       <defines title=""/>
       <typedefs title=""/>
-      <sequences title=""/>
-      <dictionaries title=""/>
       <enums title=""/>
       <functions title=""/>
       <variables title=""/>
@@ -154,8 +102,6 @@
       <inlineclasses title=""/>
       <defines title=""/>
       <typedefs title=""/>
-      <sequences title=""/>
-      <dictionaries title=""/>
       <enums title=""/>
       <functions title=""/>
       <variables title=""/>
@@ -176,8 +122,6 @@
       <classes visible="yes" title=""/>
       <defines title=""/>
       <typedefs title=""/>
-      <sequences title=""/>
-      <dictionaries title=""/>
       <enums title=""/>
       <enumvalues title=""/>
       <functions title=""/>
@@ -196,8 +140,6 @@
       <inlineclasses title=""/>
       <defines title=""/>
       <typedefs title=""/>
-      <sequences title=""/>
-      <dictionaries title=""/>
       <enums title=""/>
       <enumvalues title=""/>
       <functions title=""/>
diff --git a/doc/c/reference.doxygen.in b/doc/c/reference.doxygen.in
index 83589fe..0b87d49 100644
--- a/doc/c/reference.doxygen.in
+++ b/doc/c/reference.doxygen.in
@@ -179,16 +179,6 @@ SHORT_NAMES            = NO
 
 JAVADOC_AUTOBRIEF      = YES
 
-# If the JAVADOC_BANNER tag is set to YES then doxygen will interpret a line
-# such as
-# /***************
-# as being the beginning of a Javadoc-style comment "banner". If set to NO, the
-# Javadoc-style will behave just like regular comments and it will not be
-# interpreted by doxygen.
-# The default value is: NO.
-
-JAVADOC_BANNER         = NO
-
 # If the QT_AUTOBRIEF tag is set to YES then doxygen will interpret the first
 # line (until the first dot) of a Qt-style comment as the brief description. If
 # set to NO, the Qt-style will behave just like regular Qt-style comments (thus
@@ -209,14 +199,6 @@ QT_AUTOBRIEF           = NO
 
 MULTILINE_CPP_IS_BRIEF = NO
 
-# By default Python docstrings are displayed as preformatted text and doxygen's
-# special commands cannot be used. By setting PYTHON_DOCSTRING to NO the
-# doxygen's special commands can be used and the contents of the docstring
-# documentation blocks is shown as doxygen documentation.
-# The default value is: YES.
-
-PYTHON_DOCSTRING       = YES
-
 # If the INHERIT_DOCS tag is set to YES then an undocumented member inherits the
 # documentation from any documented member that it re-implements.
 # The default value is: YES.
@@ -281,14 +263,6 @@ OPTIMIZE_FOR_FORTRAN   = NO
 
 OPTIMIZE_OUTPUT_VHDL   = NO
 
-# Set the OPTIMIZE_OUTPUT_SLICE tag to YES if your project consists of Slice
-# sources only. Doxygen will then generate output that is more tailored for that
-# language. For instance, namespaces will be presented as modules, types will be
-# separated into more groups, etc.
-# The default value is: NO.
-
-OPTIMIZE_OUTPUT_SLICE  = NO
-
 # Doxygen selects the parser to use depending on the extension of the files it
 # parses. With this tag you can assign which parser to use for a given
 # extension. Doxygen has a built-in mapping, but you can override or extend it
@@ -442,19 +416,6 @@ TYPEDEF_HIDES_STRUCT   = YES
 
 LOOKUP_CACHE_SIZE      = 0
 
-# The NUM_PROC_THREADS specifies the number threads doxygen is allowed to use
-# during processing. When set to 0 doxygen will based this on the number of
-# cores available in the system. You can set it explicitly to a value larger
-# than 0 to get more control over the balance between CPU load and processing
-# speed. At this moment only the input processing can be done using multiple
-# threads. Since this is still an experimental feature the default is set to 1,
-# which effectively disables parallel processing. Please report any issues you
-# encounter. Generating dot graphs in parallel is controlled by the
-# DOT_NUM_THREADS setting.
-# Minimum value: 0, maximum value: 32, default value: 1.
-
-NUM_PROC_THREADS       = 1
-
 #---------------------------------------------------------------------------
 # Build related configuration options
 #---------------------------------------------------------------------------
@@ -475,12 +436,6 @@ EXTRACT_ALL            = NO
 
 EXTRACT_PRIVATE        = YES
 
-# If the EXTRACT_PRIV_VIRTUAL tag is set to YES, documented private virtual
-# methods of a class will be included in the documentation.
-# The default value is: NO.
-
-EXTRACT_PRIV_VIRTUAL   = NO
-
 # If the EXTRACT_PACKAGE tag is set to YES, all members with package or internal
 # scope will be included in the documentation.
 # The default value is: NO.
@@ -518,13 +473,6 @@ EXTRACT_LOCAL_METHODS  = NO
 
 EXTRACT_ANON_NSPACES   = NO
 
-# If this flag is set to YES, the name of an unnamed parameter in a declaration
-# will be determined by the corresponding definition. By default unnamed
-# parameters remain unnamed in the output.
-# The default value is: YES.
-
-RESOLVE_UNNAMED_PARAMS = YES
-
 # If the HIDE_UNDOC_MEMBERS tag is set to YES, doxygen will hide all
 # undocumented members inside documented classes or files. If set to NO these
 # members will be included in the various overviews, but no documentation
@@ -1545,17 +1493,6 @@ TREEVIEW_WIDTH         = 250
 
 EXT_LINKS_IN_WINDOW    = NO
 
-# If the HTML_FORMULA_FORMAT option is set to svg, doxygen will use the pdf2svg
-# tool (see https://github.com/dawbarton/pdf2svg) or inkscape (see
-# https://inkscape.org) to generate formulas as SVG images instead of PNGs for
-# the HTML output. These images will generally look nicer at scaled resolutions.
-# Possible values are: png (the default) and svg (looks nicer but requires the
-# pdf2svg or inkscape tool).
-# The default value is: png.
-# This tag requires that the tag GENERATE_HTML is set to YES.
-
-HTML_FORMULA_FORMAT    = png
-
 # Use this tag to change the font size of LaTeX formulas included as images in
 # the HTML documentation. When you change the font size after a successful
 # doxygen run you need to manually remove any form_*.png images from the HTML
@@ -1576,12 +1513,6 @@ FORMULA_FONTSIZE       = 10
 
 FORMULA_TRANSPARENT    = YES
 
-# The FORMULA_MACROFILE can contain LaTeX \newcommand and \renewcommand commands
-# to create new LaTeX commands to be used in formulas as building blocks. See
-# the section "Including formulas" for details.
-
-FORMULA_MACROFILE      =
-
 # Enable the USE_MATHJAX option to render LaTeX formulas using MathJax (see
 # https://www.mathjax.org) which uses client side JavaScript for the rendering
 # instead of using pre-rendered bitmaps. Use this if you do not have LaTeX
@@ -1772,16 +1703,6 @@ LATEX_CMD_NAME         = latex
 
 MAKEINDEX_CMD_NAME     = makeindex
 
-# The LATEX_MAKEINDEX_CMD tag can be used to specify the command name to
-# generate index for LaTeX. In case there is no backslash (\) as first character
-# it will be automatically added in the LaTeX code.
-# Note: This tag is used in the generated output file (.tex).
-# See also: MAKEINDEX_CMD_NAME for the part in the Makefile / make.bat.
-# The default value is: makeindex.
-# This tag requires that the tag GENERATE_LATEX is set to YES.
-
-LATEX_MAKEINDEX_CMD    = makeindex
-
 # If the COMPACT_LATEX tag is set to YES, doxygen generates more compact LaTeX
 # documents. This may be useful for small projects and may help to save some
 # trees in general.
@@ -1909,14 +1830,6 @@ LATEX_BIB_STYLE        = plain
 
 LATEX_TIMESTAMP        = NO
 
-# The LATEX_EMOJI_DIRECTORY tag is used to specify the (relative or absolute)
-# path from which the emoji images will be read. If a relative path is entered,
-# it will be relative to the LATEX_OUTPUT directory. If left blank the
-# LATEX_OUTPUT directory will be used.
-# This tag requires that the tag GENERATE_LATEX is set to YES.
-
-LATEX_EMOJI_DIRECTORY  =
-
 #---------------------------------------------------------------------------
 # Configuration options related to the RTF output
 #---------------------------------------------------------------------------
@@ -2044,13 +1957,6 @@ XML_OUTPUT             = xml
 
 XML_PROGRAMLISTING     = YES
 
-# If the XML_NS_MEMB_FILE_SCOPE tag is set to YES, doxygen will include
-# namespace members in file scope as well, matching the HTML output.
-# The default value is: NO.
-# This tag requires that the tag GENERATE_XML is set to YES.
-
-XML_NS_MEMB_FILE_SCOPE = NO
-
 #---------------------------------------------------------------------------
 # Configuration options related to the DOCBOOK output
 #---------------------------------------------------------------------------
@@ -2351,28 +2257,6 @@ UML_LOOK               = NO
 
 UML_LIMIT_NUM_FIELDS   = 10
 
-# If the DOT_UML_DETAILS tag is set to NO, doxygen will show attributes and
-# methods without types and arguments in the UML graphs. If the DOT_UML_DETAILS
-# tag is set to YES, doxygen will add type and arguments for attributes and
-# methods in the UML graphs. If the DOT_UML_DETAILS tag is set to NONE, doxygen
-# will not generate fields with class member information in the UML graphs. The
-# class diagrams will look similar to the default class diagrams but using UML
-# notation for the relationships.
-# Possible values are: NO, YES and NONE.
-# The default value is: NO.
-# This tag requires that the tag UML_LOOK is set to YES.
-
-DOT_UML_DETAILS        = NO
-
-# The DOT_WRAP_THRESHOLD tag can be used to set the maximum number of characters
-# to display on a single line. If the actual line length exceeds this threshold
-# significantly it will wrapped across multiple lines. Some heuristics are apply
-# to avoid ugly line breaks.
-# Minimum value: 0, maximum value: 1000, default value: 17.
-# This tag requires that the tag HAVE_DOT is set to YES.
-
-DOT_WRAP_THRESHOLD     = 17
-
 # If the TEMPLATE_RELATIONS tag is set to YES then the inheritance and
 # collaboration graphs will show the relations between templates and their
 # instances.