[mutter] Remove MetaMenuIconType

[Florian Müllner <fmuellner src gnome org>]

commit 04449923bda949444d884163cad76c39fb2a424f
Author: Florian Müllner <fmuellner gnome org>
Date:   Fri May 23 20:44:01 2014 +0200

    Remove MetaMenuIconType
    
    Unused since 2006, quick, before we hit the 10-year mark!

 src/ui/theme-private.h |    9 ---------
 1 files changed, 0 insertions(+), 9 deletions(-)
---
diff --git a/src/ui/theme-private.h b/src/ui/theme-private.h
index 2bb36d3..91b711f 100644
--- a/src/ui/theme-private.h
+++ b/src/ui/theme-private.h
@@ -669,15 +669,6 @@ typedef enum
 
 typedef enum
 {
-  META_MENU_ICON_TYPE_CLOSE,
-  META_MENU_ICON_TYPE_MAXIMIZE,
-  META_MENU_ICON_TYPE_UNMAXIMIZE,
-  META_MENU_ICON_TYPE_MINIMIZE,
-  META_MENU_ICON_TYPE_LAST
-} MetaMenuIconType;
-
-typedef enum
-{
   /* Listed in the order in which the textures are drawn.
    * (though this only matters for overlaps of course.)
    * Buttons are drawn after the frame textures.