[gtk+] Fix the docs build

[Matthias Clasen <matthiasc src gnome org>]

commit c05b317b1ef88e739527eb3d17b067a3e60642e8
Author: Matthias Clasen <mclasen redhat com>
Date:   Mon May 22 17:35:23 2017 -0400

    Fix the docs build
    
    gtk-doc behavior changed, it seems, and these options now
    cause the build to break.

 docs/reference/gtk/Makefile.am |    2 --
 1 files changed, 0 insertions(+), 2 deletions(-)
---
diff --git a/docs/reference/gtk/Makefile.am b/docs/reference/gtk/Makefile.am
index f54cf01..37f5892 100644
--- a/docs/reference/gtk/Makefile.am
+++ b/docs/reference/gtk/Makefile.am
@@ -295,8 +295,6 @@ GTKDOC_LIBS = \
 # Extra options to supply to gtkdoc-mkdb
 MKDB_OPTIONS = --output-format=xml --name-space=gtk
 
-MKHTML_OPTIONS = "--path=\"$(abs_srcdir):$(top_srcdir)/examples\""
-
 # Extra SGML files that are included by $(DOC_MAIN_SGML_FILE)
 content_files = \
        broadway.xml                            \