Revert 267950 "Support 8bpp screens in X11"

trunk/src/ui/base/x/x11_util.cc

Index: trunk/src/ui/base/x/x11_util.cc
===================================================================
--- trunk/src/ui/base/x/x11_util.cc	(revision 267956)
+++ trunk/src/ui/base/x/x11_util.cc	(working copy)
@@ -300,15 +300,6 @@
   return shared_memory_support;
 }
 
-bool QueryRenderSupport(Display* dpy) {
-  int dummy;
-  // We don't care about the version of Xrender since all the features which
-  // we use are included in every version.
-  static bool render_supported = XRenderQueryExtension(dpy, &dummy, &dummy);
-
-  return render_supported;
-}
-
 ::Cursor GetXCursor(int cursor_shape) {
   if (!cursor_cache)
     cursor_cache = new XCursorCache;