net:liquidio: remove unused including <linux/version.h>

Remove including <linux/version.h> that don't need it.
Signed-off-by: NWei Yongjun <yongjun_wei@trendmicro.com.cn>
Signed-off-by: NDavid S. Miller <davem@davemloft.net>

drivers/net/ethernet/cavium/liquidio/octeon_device.c

@@ -19,7 +19,6 @@
 * This file may also be available under a different license from Cavium.
 * Contact Cavium, Inc. for more information
 **********************************************************************/
-#include <linux/version.h>
 #include <linux/types.h>
 #include <linux/list.h>
 #include <linux/interrupt.h>