[gtk+] Remove an unneeded include

[Ryan Lortie <ryanl src gnome org>]

commit 3b2f77e2c6e5ff2f1a2a3f736837320143fff3b2
Author: Matthias Clasen <mclasen redhat com>
Date:   Tue Nov 8 19:03:40 2011 -0500

    Remove an unneeded include

 gtk/gtkapplication.h |    1 -
 1 files changed, 0 insertions(+), 1 deletions(-)
---
diff --git a/gtk/gtkapplication.h b/gtk/gtkapplication.h
index 6caa408..08f24af 100644
--- a/gtk/gtkapplication.h
+++ b/gtk/gtkapplication.h
@@ -26,7 +26,6 @@
 #ifndef __GTK_APPLICATION_H__
 #define __GTK_APPLICATION_H__
 
-#include <gtk/gtkactiongroup.h>
 #include <gtk/gtkwidget.h>
 #include <gio/gio.h>