[PR #1357] include: globals.h: drop unnecessary includes

PR: #1357

Author: metux

include/globals.h

@@ -1,17 +1,9 @@
-
 #ifndef _XSERV_GLOBAL_H_
 #define _XSERV_GLOBAL_H_
 
 #include <X11/Xdefs.h>
 #include <X11/Xfuncproto.h>
 
-#include "window.h"             /* for WindowPtr */
-#include "extinit.h"
-#ifdef DPMSExtension
-/* sigh, too many drivers assume this */
-#include <X11/extensions/dpmsconst.h>
-#endif
-
 /* Global X server variables that are visible to mi, dix, os, and ddx */
 
 extern _X_EXPORT int monitorResolution;