[gtk+] Remove no-longer existing function

[Ryan Lortie <ryanl src gnome org>]

commit 6d0475df4f4711d924cc31000654be4de2c7109b
Author: Matthias Clasen <mclasen redhat com>
Date:   Thu Dec 1 00:02:08 2011 -0500

    Remove no-longer existing function

 gtk/gtkapplication.h |    1 -
 1 files changed, 0 insertions(+), 1 deletions(-)
---
diff --git a/gtk/gtkapplication.h b/gtk/gtkapplication.h
index eea620d..c975f08 100644
--- a/gtk/gtkapplication.h
+++ b/gtk/gtkapplication.h
@@ -77,7 +77,6 @@ void                    gtk_application_remove_window                   (GtkAppl
 
 GList *                 gtk_application_get_windows                     (GtkApplication    *application);
 
-GtkMenu *               gtk_application_get_menu                        (GtkApplication    *application);
 
 G_END_DECLS