Staging: ramzswap: remove unused #include <linux/version.h>

Remove unused #include <linux/version.h>('s) in
  drivers/staging/ramzswap/ramzswap_drv.c
Signed-off-by: Huang Weiyi <weiyi.huang@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

drivers/staging/ramzswap/ramzswap_drv.c

@@ -29,7 +29,6 @@
 #include <linux/swap.h>
 #include <linux/swapops.h>
 #include <linux/vmalloc.h>
-#include <linux/version.h>
 
 #include "ramzswap_drv.h"