[gtk+/composite-templates] Remove private appwindow observer creation API

[Juan Pablo Ugarte <jpu src gnome org>]

commit 87415c4fa8d1779e7bfe942e97306fad511fe9d6
Author: Ryan Lortie <desrt desrt ca>
Date:   Fri Aug 17 23:26:44 2012 -0400

    Remove private appwindow observer creation API
    
    There are no remaining users of the GtkApplicationWindow API to create
    GSimpleActionObserver or to get the GActionObservable (ie: muxer) for
    the appwindow.  Drop those APIs.

 gtk/gtkapplicationprivate.h |    9 ---------
 gtk/gtkapplicationwindow.c  |   16 ----------------
 2 files changed, 0 insertions(+), 25 deletions(-)
---
diff --git a/gtk/gtkapplicationprivate.h b/gtk/gtkapplicationprivate.h
index a05752c..bd84b1a 100644
--- a/gtk/gtkapplicationprivate.h
+++ b/gtk/gtkapplicationprivate.h
@@ -21,7 +21,6 @@
 #ifndef __GTK_APPLICATION_PRIVATE_H__
 #define __GTK_APPLICATION_PRIVATE_H__
 
-#include "gsimpleactionobserver.h"
 #include "gtkapplicationwindow.h"
 
 G_GNUC_INTERNAL
@@ -34,14 +33,6 @@ G_GNUC_INTERNAL
 void                    gtk_application_window_unpublish                (GtkApplicationWindow *window);
 
 G_GNUC_INTERNAL
-GSimpleActionObserver * gtk_application_window_create_observer          (GtkApplicationWindow *window,
-                                                                         const gchar          *action_name,
-                                                                         GVariant             *target);
-
-G_GNUC_INTERNAL
-GActionObservable     * gtk_application_window_get_observable           (GtkApplicationWindow *window);
-
-G_GNUC_INTERNAL
 GtkAccelGroup         * gtk_application_window_get_accel_group          (GtkApplicationWindow *window);
 
 G_GNUC_INTERNAL
diff --git a/gtk/gtkapplicationwindow.c b/gtk/gtkapplicationwindow.c
index a175635..1d4b6d9 100644
--- a/gtk/gtkapplicationwindow.c
+++ b/gtk/gtkapplicationwindow.c
@@ -1073,22 +1073,6 @@ gtk_application_window_set_show_menubar (GtkApplicationWindow *window,
     }
 }
 
-GSimpleActionObserver *
-gtk_application_window_create_observer (GtkApplicationWindow *window,
-                                        const gchar          *action_name,
-                                        GVariant             *target)
-{
-  g_return_val_if_fail (GTK_IS_APPLICATION_WINDOW (window), NULL);
-
-  return g_simple_action_observer_new (window->priv->muxer, action_name, target);
-}
-
-GActionObservable *
-gtk_application_window_get_observable (GtkApplicationWindow *window)
-{
-  return G_ACTION_OBSERVABLE (window->priv->muxer);
-}
-
 GtkAccelGroup *
 gtk_application_window_get_accel_group (GtkApplicationWindow *window)
 {