[metacity] stack: remove META_LAYER_FOCUSED_WINDOW

[Alberts Muktupāvels <muktupavels src gnome org>]

commit 3c67fd1f8f634b235d3c2a53367f66542031e63f
Author: Jasper St. Pierre <jstpierre mecheye net>
Date:   Mon Mar 21 13:45:11 2016 -0700

    stack: remove META_LAYER_FOCUSED_WINDOW
    
    Usage of this was removed 14 years ago in 25ca0e2. Let's remove the
    constant, too.

 src/core/stack.h |    1 -
 1 files changed, 0 insertions(+), 1 deletions(-)
---
diff --git a/src/core/stack.h b/src/core/stack.h
index 1876336..ee8f0c6 100644
--- a/src/core/stack.h
+++ b/src/core/stack.h
@@ -53,7 +53,6 @@ typedef enum
   META_LAYER_TOP               = 4, /* Same as DOCK; see EWMH and bug 330717 */
   META_LAYER_DOCK              = 4,
   META_LAYER_FULLSCREEN        = 5,
-  META_LAYER_FOCUSED_WINDOW    = 6,
   META_LAYER_OVERRIDE_REDIRECT = 7,
   META_LAYER_LAST              = 8
 } MetaStackLayer;