[gspell] build: do not pass extra fixxref options for gtk-doc

[Sébastien Wilmet <swilmet src gnome org>]

commit 210d53c5a93b166805b25249b2569de8eac32aff
Author: Sébastien Wilmet <swilmet gnome org>
Date:   Mon Jun 20 13:46:50 2016 +0200

    build: do not pass extra fixxref options for gtk-doc
    
    It doesn't seem to be necessary anymore.

 configure.ac               |    6 ------
 docs/reference/Makefile.am |    5 +----
 2 files changed, 1 insertions(+), 10 deletions(-)
---
diff --git a/configure.ac b/configure.ac
index 078be03..a0d1c5e 100644
--- a/configure.ac
+++ b/configure.ac
@@ -130,12 +130,6 @@ AC_DEFINE_UNQUOTED([GETTEXT_PACKAGE], ["$GETTEXT_PACKAGE"], [Define to the gette
 AX_REQUIRE_DEFINED([GTK_DOC_CHECK])
 GTK_DOC_CHECK([1.25], [--flavour=no-tmpl])
 
-GLIB_PREFIX="`$PKG_CONFIG --variable=prefix glib-2.0`"
-GTK_PREFIX="`$PKG_CONFIG --variable=prefix gtk+-3.0`"
-
-AC_SUBST(GLIB_PREFIX)
-AC_SUBST(GTK_PREFIX)
-
 # Installed Tests for gnome continuous integration
 AC_ARG_ENABLE(installed_tests,
              AS_HELP_STRING([--enable-installed-tests],
diff --git a/docs/reference/Makefile.am b/docs/reference/Makefile.am
index 3bf6622..ea9dd58 100644
--- a/docs/reference/Makefile.am
+++ b/docs/reference/Makefile.am
@@ -47,10 +47,7 @@ HTML_IMAGES =
 content_files =
 
 # Extra options to supply to gtkdoc-fixref
-FIXXREF_OPTIONS =                                                      \
-       --extra-dir=$(GLIB_PREFIX)/share/gtk-doc/html/gobject           \
-       --extra-dir=$(GLIB_PREFIX)/share/gtk-doc/html/glib              \
-       --extra-dir=$(GTK_PREFIX)/share/gtk-doc/html/gtk3
+FIXXREF_OPTIONS =
 
 # CFLAGS and LDFLAGS for compiling gtkdoc-scangobj with your library.
 # Only needed if you are using gtkdoc-scangobj to dynamically query widget