[mutter] Revert "window: Raise and lower tile match in tandem"

[Florian Müllner <fmuellner src gnome org>]

commit 00b8ca7aebbd7c2288716dff2d04d0e75be523ac
Author: Georges Basile Stavracas Neto <georges stavracas gmail com>
Date:   Thu Dec 14 11:38:54 2017 -0200

    Revert "window: Raise and lower tile match in tandem"
    
    Raising and lowering windows in tandem without a proper grouping
    mechanism ended up being more annoying than functional.
    
    This reverts commit e76a0f564c1e07e32fe857d0f8e5b723c3bbe57d.

 src/core/window.c | 12 +-----------
 1 file changed, 1 insertion(+), 11 deletions(-)
---
diff --git a/src/core/window.c b/src/core/window.c
index f4ed4633b..565698da9 100644
--- a/src/core/window.c
+++ b/src/core/window.c
@@ -4958,13 +4958,7 @@ meta_window_raise (MetaWindow  *window)
    * the child windows appropriately.
    */
   if (window->screen->stack == ancestor->screen->stack)
-    {
-      /* If the window has a tile sibling, raise it before raising the window itself */
-      if (window->tile_match)
-        meta_stack_raise (window->tile_match->screen->stack, window->tile_match);
-
-      meta_stack_raise (window->screen->stack, ancestor);
-    }
+    meta_stack_raise (window->screen->stack, ancestor);
   else
     {
       meta_warning (
@@ -4996,10 +4990,6 @@ meta_window_lower (MetaWindow  *window)
   meta_topic (META_DEBUG_WINDOW_OPS,
               "Lowering window %s\n", window->desc);
 
-  /* If the window has a tile sibling, lower it before loweting the window itself */
-  if (window->tile_match)
-    meta_stack_lower (window->tile_match->screen->stack, window->tile_match);
-
   meta_stack_lower (window->screen->stack, window);
 }