[mutter] window: Stop updating layers on focus changes

[Rui Matos <rtcm src gnome org>]

commit 5ee0f24ab90d457f3b53a32e96f89db816a98f0a
Author: Rui Matos <tiagomatos gmail com>
Date:   Wed Jul 6 18:49:46 2016 +0200

    window: Stop updating layers on focus changes
    
    Commit 3a4ae679ea398dba437b9750910b17891894899e removed the
    FOCUSED_WINDOW layer definition but it was already unused for a long
    time. There's no layers to update on focus changes.
    
    https://bugzilla.gnome.org/show_bug.cgi?id=768221

 src/core/window.c |    6 ------
 1 files changed, 0 insertions(+), 6 deletions(-)
---
diff --git a/src/core/window.c b/src/core/window.c
index cdd6360..4167628 100644
--- a/src/core/window.c
+++ b/src/core/window.c
@@ -4782,9 +4782,6 @@ meta_window_set_focused_internal (MetaWindow *window,
       if (window->frame)
         meta_frame_queue_draw (window->frame);
 
-      /* move into FOCUSED_WINDOW layer */
-      meta_window_update_layer (window);
-
       /* Ungrab click to focus button since the sync grab can interfere
        * with some things you might do inside the focused window, by
        * causing the client to get funky enter/leave events.
@@ -4820,9 +4817,6 @@ meta_window_set_focused_internal (MetaWindow *window,
       if (!window->attached_focus_window)
         meta_window_appears_focused_changed (window);
 
-      /* move out of FOCUSED_WINDOW layer */
-      meta_window_update_layer (window);
-
       /* Re-grab for click to focus and raise-on-click, if necessary */
       if (meta_prefs_get_focus_mode () == G_DESKTOP_FOCUS_MODE_CLICK ||
           !meta_prefs_get_raise_on_click ())