staging: unisys: visorinput: Get rid of unused includes

Cleanups caused us to not need to include a bunch of headers, got rid of
them.
Reviewed-by: Sameer Wadgaonkar <sameer.wadgaonkar@unisys.com>
Signed-off-by: David Kershner <david.kershner@unisys.com>
Reviewed-by: Tim Sell <timothy.sell@unisys.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/unisys/visorinput/visorinput.c

@@ -21,11 +21,8 @@
  * standard way the Linux expects for input drivers.
  */
 
-#include <linux/buffer_head.h>
 #include <linux/fb.h>
-#include <linux/fs.h>
 #include <linux/input.h>
-#include <linux/uaccess.h>
 #include <linux/kernel.h>
 #include <linux/uuid.h>