[gegl] docs: do not use ruby to build api.html

[Øyvind Kolås <ok src gnome org>]

commit 65dafd5164c98e001815b6fd257fd269f0457920
Author: Øyvind Kolås <pippin gimp org>
Date:   Fri Jul 11 18:41:14 2014 +0200

    docs: do not use ruby to build api.html

 docs/Makefile.am          |   12 +-
 tools/create-reference.rb |  589 ---------------------------------------------
 2 files changed, 3 insertions(+), 598 deletions(-)
---
diff --git a/docs/Makefile.am b/docs/Makefile.am
index 0cb043c..6fbaf00 100644
--- a/docs/Makefile.am
+++ b/docs/Makefile.am
@@ -26,11 +26,11 @@ GTKDOC_FILES = \
        gegl.css
 
 if HAVE_RUBY
-HTML_FILES += api.html images/inheritance.png
-GTKDOC_FILES += api.html gegl.devhelp
+HTML_FILES += images/inheritance.png
+GTKDOC_FILES += gegl.devhelp
 endif
 
-gegl.devhelp: api.html
+gegl.devhelp: operations.json
        echo
 
 if HAVE_ENSCRIPT
@@ -189,12 +189,6 @@ API_DOC_FILES = \
        $(top_srcdir)/gegl/property-types/gegl-curve.h \
        $(top_srcdir)/gegl/gegl-apply.h
 
-api.html: $(API_DOC_FILES) \
-         $(top_srcdir)/tools/create-reference.rb
-if HAVE_RUBY
-               $(top_srcdir)/tools/create-reference.rb $(API_DOC_FILES) $@
-endif
-
 images/inheritance.png: Makefile
 if HAVE_RUBY
 if HAVE_DOT