gtkmain: Remove deprecated gtk_init_add() function

https://bugzilla.gnome.org/show_bug.cgi?id=629955

docs/reference/gtk/gtk3-sections.txt

@@ -5202,7 +5202,6 @@ gtk_device_grab_remove
 
 <SUBSECTION>
 GtkFunction
-gtk_init_add
 gtk_quit_add_destroy
 gtk_quit_add
 GtkCallbackMarshal

docs/reference/gtk/tmpl/gtkmain.sgml

@@ -439,16 +439,6 @@ If @widget does not have the grab, this function does nothing.
 @Returns: 
 
 
-<!-- ##### FUNCTION gtk_init_add ##### -->
-<para>
-Registers a function to be called when the mainloop is started.
-</para>
-
-@function: Function to invoke when gtk_main() is called next.
-@data: Data to pass to that function.
-@Deprecated: This function is going to be removed in GTK+ 3.0
-
-
 <!-- ##### FUNCTION gtk_quit_add_destroy ##### -->
 <para>
 Trigger destruction of @object in case the mainloop at level @main_level

gtk/gtk.symbols

@@ -1878,7 +1878,6 @@ gtk_init
 #ifdef G_OS_WIN32
 gtk_init_abi_check
 #endif
-gtk_init_add
 gtk_init_check
 #ifdef G_OS_WIN32
 gtk_init_check_abi_check

gtk/gtkmain.c

@@ -146,16 +146,9 @@ _gtk_get_localedir (void)
 
 /* Private type definitions
  */
-typedef struct _GtkInitFunction		 GtkInitFunction;
 typedef struct _GtkQuitFunction		 GtkQuitFunction;
 typedef struct _GtkKeySnooperData	 GtkKeySnooperData;
 
-struct _GtkInitFunction
-{
-  GtkFunction function;
-  gpointer data;
-};
-
 struct _GtkQuitFunction
 {
   guint id;
@@ -187,8 +180,6 @@ static GList *current_events = NULL;
 
 static GSList *main_loops = NULL;      /* stack of currently executing main loops */
 
-static GList *init_functions = NULL;	   /* A list of init functions.
-					    */
 static GList *quit_functions = NULL;	   /* A list of quit functions.
 					    */
 static GSList *key_snoopers = NULL;
@@ -1293,8 +1284,6 @@ void
 gtk_main (void)
 {
   GList *tmp_list;
-  GList *functions;
-  GtkInitFunction *init;
   GMainLoop *loop;
 
   gtk_main_loop_level++;
@@ -1302,19 +1291,6 @@ gtk_main (void)
   loop = g_main_loop_new (NULL, TRUE);
   main_loops = g_slist_prepend (main_loops, loop);
 
-  tmp_list = functions = init_functions;
-  init_functions = NULL;
-  
-  while (tmp_list)
-    {
-      init = tmp_list->data;
-      tmp_list = tmp_list->next;
-      
-      (* init->function) (init->data);
-      g_free (init);
-    }
-  g_list_free (functions);
-
   if (g_main_loop_is_running (main_loops->data))
     {
       GDK_THREADS_LEAVE ();
@@ -2132,19 +2108,6 @@ gtk_device_grab_remove (GtkWidget *widget,
   gtk_grab_notify (group, device, widget, new_grab_widget, FALSE);
 }
 
-void
-gtk_init_add (GtkFunction function,
-	      gpointer	  data)
-{
-  GtkInitFunction *init;
-  
-  init = g_new (GtkInitFunction, 1);
-  init->function = function;
-  init->data = data;
-  
-  init_functions = g_list_prepend (init_functions, init);
-}
-
 guint
 gtk_key_snooper_install (GtkKeySnoopFunc snooper,
 			 gpointer	 func_data)

gtk/gtkmain.h

@@ -143,8 +143,6 @@ void       gtk_device_grab_remove  (GtkWidget          *widget,
                                     GdkDevice          *device);
 
 #if !defined (GTK_DISABLE_DEPRECATED) || defined (GTK_COMPILATION)
-void	   gtk_init_add		   (GtkFunction	       function,
-				    gpointer	       data);
 void	   gtk_quit_add_destroy	   (guint	       main_level,
 				    GtkWidget	      *object);
 guint	   gtk_quit_add		   (guint	       main_level,