gnome-doc-utils: Remove stale patch

The recipe was removed 3 years ago.

(From OE-Core rev: 090e3cbed407abb7dd74ded56da38e7b2ee9d9d5)

Signed-off-by: Adrian Bunk <bunk@stusta.de>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

meta/recipes-gnome/gnome/gnome-doc-utils/0001-glib-gettext.m4-Update-AM_GLIB_GNU_GETTEXT-to-match-.patch

@@ -1,40 +0,0 @@
-From 426e38468463a4abb495cf6a269b9635b2107519 Mon Sep 17 00:00:00 2001
-From: Jussi Kukkonen <jussi.kukkonen@intel.com>
-Date: Tue, 17 May 2016 13:51:24 +0300
-Subject: [PATCH] glib-gettext.m4: Update AM_GLIB_GNU_GETTEXT to match glib
-
-This avoids
-  error: m4_copy: won't overwrite defined macro: glib_DEFUN
-
-Signed-off-by: Jussi Kukkonen <jussi.kukkonen@intel.com>
-Upstream-Status: Inappropriate [No upstream]
----
- m4/glib-gettext.m4 | 5 +++--
- 1 file changed, 3 insertions(+), 2 deletions(-)
-
-diff --git a/m4/glib-gettext.m4 b/m4/glib-gettext.m4
-index 81f8fd2..e2b142b 100644
---- a/m4/glib-gettext.m4
-+++ b/m4/glib-gettext.m4
-@@ -310,7 +310,7 @@ msgstr ""
- # on various variables needed by the Makefile.in.in installed by
- # glib-gettextize.
- dnl
--glib_DEFUN([GLIB_GNU_GETTEXT],
-+AU_DEFUN([GLIB_GNU_GETTEXT],
-   [AC_REQUIRE([AC_PROG_CC])dnl
-    AC_REQUIRE([AC_HEADER_STDC])dnl
- 
-@@ -381,7 +381,8 @@ glib_DEFUN([GLIB_GNU_GETTEXT],
-    rm -f po/POTFILES
-    sed -e "/^#/d" -e "/^\$/d" -e "s,.*,	$posrcprefix& \\\\," -e "\$s/\(.*\) \\\\/\1/" \
- 	< $srcdir/po/POTFILES.in > po/POTFILES
--  ])
-+  ]
-+  [[$0: This macro is deprecated. You should use upstream gettext instead.]])
- 
- # AX_GLIB_DEFINE_LOCALEDIR(VARIABLE)
- # -------------------------------
--- 
-2.1.4
-