viafb: removed duplicated #include's

Removed duplicated #include's in drivers/video/via/global.h.
  debug.h
  viafbdev.h
  viamode.h

Signed-off-by: Huang Weiyi <weiyi.huang@gmail.com>
Cc: Joseph Chan <josephchan@via.com.tw>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

drivers/video/via/global.h

@@ -38,7 +38,6 @@
 #include "iface.h"
 #include "viafbdev.h"
 #include "chip.h"
-#include "debug.h"
 #include "accel.h"
 #include "share.h"
 #include "dvi.h"
@@ -48,12 +47,10 @@
 
 #include "lcd.h"
 #include "ioctl.h"
-#include "viamode.h"
 #include "via_utility.h"
 #include "vt1636.h"
 #include "tblDPASetting.h"
 #include "tbl1636.h"
-#include "viafbdev.h"
 
 /* External struct*/