Remove some orphaned USE macros.

Source/core/page/Settings.h

 /*
  * Copyright (C) 2003, 2006, 2007, 2008, 2009, 2011, 2012 Apple Inc. All rights reserved.
  *           (C) 2006 Graham Dennis (graham.dennis@gmail.com)
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
@@ skipping 183 matching lines @@
         bool m_cssVariablesEnabled : 1;
         bool m_dnsPrefetchingEnabled : 1;
 
         bool m_touchEventEmulationEnabled : 1;
 
         Timer<Settings> m_setImageLoadingSettingsTimer;
         void imageLoadingSettingsTimerFired(Timer<Settings>*);
 
         static bool gMockScrollbarsEnabled;
         static bool gUsesOverlayScrollbars;
-
-#if USE(SAFARI_THEME)
-        static bool gShouldPaintNativeControls;
-#endif
     };
 
 } // namespace WebCore
 
 #endif // Settings_h