[metacity] frame: remove uneeded include

[Alberts Muktupāvels <muktupavels src gnome org>]

commit ca475d446872561a570b7a4ef8d9102434d0ae7c
Author: Alberts Muktupāvels <alberts muktupavels gmail com>
Date:   Thu Jan 22 19:52:37 2015 +0200

    frame: remove uneeded include

 src/core/frame.c |    4 ----
 1 files changed, 0 insertions(+), 4 deletions(-)
---
diff --git a/src/core/frame.c b/src/core/frame.c
index bc7c088..6ab3186 100644
--- a/src/core/frame.c
+++ b/src/core/frame.c
@@ -28,10 +28,6 @@
 #include "keybindings.h"
 #include "prefs.h"
 
-#ifdef HAVE_RENDER
-#include <X11/extensions/Xrender.h>
-#endif
-
 #define EVENT_MASK (SubstructureRedirectMask |                     \
                     StructureNotifyMask | SubstructureNotifyMask | \
                     ExposureMask |                                 \