[mutter] prefs: Remove a dead declaration

[Jasper St. Pierre <jstpierre src gnome org>]

commit 41adbdda1200f8e6652910ee5c81c44c8de8dce5
Author: Jasper St. Pierre <jstpierre mecheye net>
Date:   Wed Feb 29 22:15:52 2012 -0500

    prefs: Remove a dead declaration
    
    https://bugzilla.gnome.org/show_bug.cgi?id=671104

 src/meta/prefs.h |    8 --------
 1 files changed, 0 insertions(+), 8 deletions(-)
---
diff --git a/src/meta/prefs.h b/src/meta/prefs.h
index f2ccf39..73be18f 100644
--- a/src/meta/prefs.h
+++ b/src/meta/prefs.h
@@ -128,14 +128,6 @@ int         meta_prefs_get_cursor_size       (void);
 gboolean    meta_prefs_get_compositing_manager (void);
 gboolean    meta_prefs_get_force_fullscreen  (void);
 
-/**
- * meta_prefs_set_compositing_manager:
- * @whether %TRUE to turn on, %FALSE to turn off.
- *
- * Sets whether the compositor is turned on.
- */
-void meta_prefs_set_compositing_manager (gboolean whether);
-
 void meta_prefs_set_force_fullscreen (gboolean whether);
 
 gboolean meta_prefs_get_workspaces_only_on_primary (void);