significantly cleaned up includes (by IoP)

git-svn-id: https://ja2svn.mooo.com/source/ja2/trunk/GameSource/ja2_v1.13/Build@6056 3b4a5df2-a311-0410-b5c6-a8a6f20db521

TileEngine/sysutil.cpp

@@ -2,15 +2,12 @@
 	#include "TileEngine All.h"
 #else
 	#include <stdio.h>
-	#include <stdarg.h>
 	#include <time.h>
 	#include "sgp.h"
 	#include "himage.h"
 	#include "vsurface.h"
-	#include "vsurface_private.h"
 	#include "wcheck.h"
 	#include "sysutil.h"
-	#include "renderworld.h"
 #endif
 
 UINT32					guiBOTTOMPANEL = 0;