[pangomm] Doxyfile: Remove obsolete (according to doxygen warnings) lines.

[Murray Cumming <murrayc src gnome org>]

commit f6ae77e94c1545eeadf0bf9cb35beca7435cab21
Author: Murray Cumming <murrayc murrayc com>
Date:   Wed Feb 4 08:49:26 2015 +0100

    Doxyfile: Remove obsolete (according to doxygen warnings) lines.

 docs/reference/Doxyfile.in |    6 ------
 1 files changed, 0 insertions(+), 6 deletions(-)
---
diff --git a/docs/reference/Doxyfile.in b/docs/reference/Doxyfile.in
index 82031d3..83def36 100644
--- a/docs/reference/Doxyfile.in
+++ b/docs/reference/Doxyfile.in
@@ -50,7 +50,6 @@ IDL_PROPERTY_SUPPORT   = YES
 DISTRIBUTE_GROUP_DOC   = NO
 SUBGROUPING            = YES
 TYPEDEF_HIDES_STRUCT   = NO
-SYMBOL_CACHE_SIZE      = 0
 #---------------------------------------------------------------------------
 # Build related configuration options
 #---------------------------------------------------------------------------
@@ -81,7 +80,6 @@ GENERATE_DEPRECATEDLIST= YES
 ENABLED_SECTIONS       =
 MAX_INITIALIZER_LINES  = 2
 SHOW_USED_FILES        = YES
-SHOW_DIRECTORIES       = NO
 SHOW_FILES             = NO
 SHOW_NAMESPACES        = YES
 FILE_VERSION_FILTER    =
@@ -149,7 +147,6 @@ HTML_FILE_EXTENSION    = .html
 HTML_HEADER            =
 HTML_FOOTER            =
 HTML_STYLESHEET        = "@MMDOCTOOLDIR@/doxygen.css"
-HTML_ALIGN_MEMBERS     = YES
 HTML_DYNAMIC_SECTIONS  = NO
 GENERATE_DOCSET        = NO
 DOCSET_FEEDNAME        = "Doxygen generated docs"
@@ -172,7 +169,6 @@ QHG_LOCATION           =
 DISABLE_INDEX          = NO
 ENUM_VALUES_PER_LINE   = 1
 GENERATE_TREEVIEW      = NONE
-USE_INLINE_TREES       = NO
 TREEVIEW_WIDTH         = 250
 FORMULA_FONTSIZE       = 10
 SEARCHENGINE           = NO
@@ -213,8 +209,6 @@ MAN_LINKS              = NO
 #---------------------------------------------------------------------------
 GENERATE_XML           = NO
 XML_OUTPUT             = xml
-XML_SCHEMA             =
-XML_DTD                =
 XML_PROGRAMLISTING     = NO
 #---------------------------------------------------------------------------
 # configuration options for the AutoGen Definitions output