Staging: XGI: remove duplicated #include

Remove duplicated #include('s) in
  drivers/staging/xgifb/XGI_main_26.c
  drivers/staging/xgifb/vb_init.c
Signed-off-by: NHuang Weiyi <weiyi.huang@gmail.com>
Signed-off-by: NGreg Kroah-Hartman <gregkh@suse.de>

drivers/staging/xgifb/XGI_main_26.c

@@ -28,7 +28,6 @@
 #include <linux/fs.h>
 #include <linux/types.h>
 #include <linux/proc_fs.h>
-#include <linux/kernel.h>
 
 #include "osdef.h"
 

drivers/staging/xgifb/vb_init.c

@@ -41,7 +41,6 @@
 
 #ifdef LINUX_KERNEL
 #include <asm/io.h>
-#include <linux/types.h>
 #endif