[gtk+] wayland: Remove unused XSERVER_TIME_IS_LATER macro

[Kristian Høgsberg <krh src gnome org>]

commit 544e1ac1d18c6479acba4ceede084bb24b3a9aa6
Author: Kristian Høgsberg <krh bitplanet net>
Date:   Mon May 26 13:43:48 2014 -0700

    wayland: Remove unused XSERVER_TIME_IS_LATER macro

 gdk/wayland/gdkwindow-wayland.c |    8 --------
 1 files changed, 0 insertions(+), 8 deletions(-)
---
diff --git a/gdk/wayland/gdkwindow-wayland.c b/gdk/wayland/gdkwindow-wayland.c
index 14ffc57..8abfdd4 100644
--- a/gdk/wayland/gdkwindow-wayland.c
+++ b/gdk/wayland/gdkwindow-wayland.c
@@ -47,14 +47,6 @@
    GDK_WINDOW_TYPE (window) != GDK_WINDOW_FOREIGN && \
    GDK_WINDOW_TYPE (window) != GDK_WINDOW_OFFSCREEN)
 
-/* Return whether time1 is considered later than time2 as far as xserver
- * time is concerned.  Accounts for wraparound.
- */
-#define XSERVER_TIME_IS_LATER(time1, time2)                        \
-  ( (( time1 > time2 ) && ( time1 - time2 < ((guint32)-1)/2 )) ||  \
-    (( time1 < time2 ) && ( time2 - time1 > ((guint32)-1)/2 ))     \
-  )
-
 typedef struct _GdkWaylandWindow GdkWaylandWindow;
 typedef struct _GdkWaylandWindowClass GdkWaylandWindowClass;