API: remove gdk_window_set_icon()

gdk_window_set_icon_list() now does everything gdk_window_set_icon()
used to do.

docs/reference/gdk/gdk3-sections.txt

@@ -508,7 +508,6 @@ gdk_window_get_children
 gdk_window_peek_children
 gdk_window_get_events
 gdk_window_set_events
-gdk_window_set_icon
 gdk_window_set_icon_name
 gdk_window_set_transient_for
 gdk_window_set_role

gdk/gdk.symbols

@@ -714,7 +714,6 @@ gdk_window_set_override_redirect
 gdk_window_set_accept_focus
 gdk_window_set_focus_on_map
 gdk_window_set_icon_list
-gdk_window_set_icon
 gdk_window_set_icon_name
 gdk_window_set_opacity
 gdk_window_iconify

gdk/gdkwindow.h

@@ -767,10 +767,6 @@ GdkEventMask  gdk_window_get_device_events (GdkWindow    *window,
 
 void          gdk_window_set_icon_list   (GdkWindow       *window,
 					  GList           *pixbufs);
-void	      gdk_window_set_icon	 (GdkWindow	  *window, 
-					  GdkWindow	  *icon_window,
-					  GdkPixmap	  *pixmap,
-					  GdkBitmap	  *mask);
 void	      gdk_window_set_icon_name	 (GdkWindow	  *window, 
 					  const gchar	  *name);
 void	      gdk_window_set_group	 (GdkWindow	  *window, 

gdk/quartz/gdkwindow-quartz.c

@@ -2282,15 +2282,6 @@ gdk_window_set_focus_on_map (GdkWindow *window,
   private->focus_on_map = focus_on_map != FALSE;
 }
 
-void          
-gdk_window_set_icon (GdkWindow *window, 
-		     GdkWindow *icon_window,
-		     GdkPixmap *pixmap,
-		     GdkBitmap *mask)
-{
-  /* FIXME: Implement */
-}
-
 void          
 gdk_window_set_icon_name (GdkWindow   *window, 
 			  const gchar *name)

gdk/win32/gdkwindow-win32.c

@@ -2283,17 +2283,6 @@ gdk_window_set_icon_list (GdkWindow *window,
   impl->hicon_small = small_hicon;
 }
 
-void          
-gdk_window_set_icon (GdkWindow *window, 
-		     GdkWindow *icon_window,
-		     GdkPixmap *pixmap,
-		     GdkBitmap *mask)
-{
-  g_return_if_fail (GDK_IS_WINDOW (window));
-
-  /* do nothing, use gdk_window_set_icon_list instead */
-}
-
 void
 gdk_window_set_icon_name (GdkWindow   *window, 
 			  const gchar *name)

gdk/x11/gdkwindow-x11.c

@@ -3787,29 +3787,6 @@ gdk_window_set_icon_list (GdkWindow *window,
   gdk_window_update_icon (window, pixbufs);
 }
 
-/**
- * gdk_window_set_icon:
- * @window: a toplevel #GdkWindow
- * @icon_window: a #GdkWindow to use for the icon, or %NULL to unset
- * @pixmap: a #GdkPixmap to use as the icon, or %NULL to unset
- * @mask: a 1-bit pixmap (#GdkBitmap) to use as mask for @pixmap, or %NULL to have none
- *
- * Sets the icon of @window as a pixmap or window. If using GTK+, investigate
- * gtk_window_set_default_icon_list() first, and then gtk_window_set_icon_list()
- * and gtk_window_set_icon(). If those don't meet your needs, look at
- * gdk_window_set_icon_list(). Only if all those are too high-level do you
- * want to fall back to gdk_window_set_icon().
- * 
- **/
-void          
-gdk_window_set_icon (GdkWindow *window, 
-		     GdkWindow *icon_window,
-		     GdkPixmap *pixmap,
-		     GdkBitmap *mask)
-{
-  return;
-}
-
 static gboolean
 gdk_window_icon_name_set (GdkWindow *window)
 {