[glade] Fix autogen with latest gnome-common

[Seán de Búrca <sdeburca src gnome org>]

commit 47f996d24f25608cf6dfa79d9de6548f499e00fb
Author: Seán de Búrca <leftmostcat gmail com>
Date:   Mon Aug 26 15:11:51 2013 -0600

    Fix autogen with latest gnome-common
    
    Side-by-side use of IT_PROG_INTLTOOL and AM_GNU_GETTEXT is not supported
    
    https://bugzilla.gnome.org/show_bug.cgi?id=706832

 configure.ac |    3 ---
 1 files changed, 0 insertions(+), 3 deletions(-)
---
diff --git a/configure.ac b/configure.ac
index 8e40f67..0e9064d 100644
--- a/configure.ac
+++ b/configure.ac
@@ -113,9 +113,6 @@ dnl Gettext stuff.
 dnl ================================================================
 IT_PROG_INTLTOOL([0.41.0])
 
-AM_GNU_GETTEXT_VERSION([0.17])
-AM_GNU_GETTEXT([external])
-
 GETTEXT_PACKAGE=AC_PACKAGE_NAME
 AC_SUBST(GETTEXT_PACKAGE)
 AC_DEFINE_UNQUOTED(GETTEXT_PACKAGE, "$GETTEXT_PACKAGE", [Name of the gettext package.])