[libxml++] Doxyfile.in: Remove now-unsupported Doxygen tags.

[Murray Cumming <murrayc src gnome org>]

commit 61dfaacbad1459fe0248dc04b4e7d87a93044ace
Author: Murray Cumming <murrayc murrayc com>
Date:   Thu Oct 27 20:59:38 2016 +0200

    Doxyfile.in: Remove now-unsupported Doxygen tags.

 docs/reference/Doxyfile.in |    3 ---
 1 files changed, 0 insertions(+), 3 deletions(-)
---
diff --git a/docs/reference/Doxyfile.in b/docs/reference/Doxyfile.in
index b0aee11..bd29117 100644
--- a/docs/reference/Doxyfile.in
+++ b/docs/reference/Doxyfile.in
@@ -47,7 +47,6 @@ CPP_CLI_SUPPORT        = NO
 SIP_SUPPORT            = NO
 IDL_PROPERTY_SUPPORT   = YES
 DISTRIBUTE_GROUP_DOC   = NO
-GROUP_NESTED_COMPOUNDS = NO
 SUBGROUPING            = YES
 INLINE_GROUPED_CLASSES = NO
 INLINE_SIMPLE_STRUCTS  = NO
@@ -101,7 +100,6 @@ WARNINGS               = YES
 WARN_IF_UNDOCUMENTED   = YES
 WARN_IF_DOC_ERROR      = YES
 WARN_NO_PARAMDOC       = NO
-WARN_AS_ERROR          = NO
 WARN_FORMAT            = "$file:$line: $text"
 WARN_LOGFILE           = reference/doxygen.log
 #---------------------------------------------------------------------------
@@ -231,7 +229,6 @@ LATEX_BATCHMODE        = NO
 LATEX_HIDE_INDICES     = NO
 LATEX_SOURCE_CODE      = NO
 LATEX_BIB_STYLE        = plain
-LATEX_TIMESTAMP        = NO
 #---------------------------------------------------------------------------
 # Configuration options related to the RTF output
 #---------------------------------------------------------------------------