[metacity] doc: remove creating_themes

[Alberts Muktupāvels <muktupavels src gnome org>]

commit 8c7aebb4a08f2589a94a314c105e7aa841c51621
Author: Alberts Muktupāvels <alberts muktupavels gmail com>
Date:   Fri Feb 12 10:45:44 2016 +0200

    doc: remove creating_themes
    
    Preferred way is to use GTK+ theme for window decorations.

 configure.ac                        |   11 -
 doc/Makefile.am                     |    4 -
 doc/creating_themes/C/index.docbook |  286 -------------
 doc/creating_themes/Makefile.am     |   15 -
 doc/creating_themes/de/de.po        |  774 -----------------------------------
 5 files changed, 0 insertions(+), 1090 deletions(-)
---
diff --git a/configure.ac b/configure.ac
index 806f2ac..d1e9b64 100644
--- a/configure.ac
+++ b/configure.ac
@@ -417,16 +417,6 @@ if test x"$ZENITY" = xno; then
   AC_MSG_ERROR([zenity not found in your path - needed for dialogs])
 fi
 
-AC_ARG_ENABLE(themes-documentation,
-  AC_HELP_STRING([--disable-themes-documentation],
-                 [disable building themes documentation on system where yelp-tools is unavailable]),,
-  enable_themes_documentation=yes)
-AM_CONDITIONAL(BUILD_THEMES_DOCS, test "$enable_themes_documentation" = "yes")
-
-if test x$enable_themes_documentation = xyes; then
-  YELP_HELP_INIT
-fi
-
 dnl **************************************************************************
 dnl Process .in files
 dnl **************************************************************************
@@ -440,7 +430,6 @@ AC_CONFIG_FILES([
   data/ui/Makefile
 
   doc/Makefile
-  doc/creating_themes/Makefile
   doc/man/Makefile
 
   libmetacity/Makefile
diff --git a/doc/Makefile.am b/doc/Makefile.am
index 0ef55a6..71801a0 100644
--- a/doc/Makefile.am
+++ b/doc/Makefile.am
@@ -1,9 +1,5 @@
 SUBDIRS = man
 
-if BUILD_THEMES_DOCS
-  SUBDIRS += creating_themes
-endif
-
 EXTRA_DIST=theme-format.txt metacity-theme.dtd dialogs.txt code-overview.txt \
        how-to-get-focus-right.txt