ionic: Remove unused including <linux/version.h>

Remove including <linux/version.h> that don't need it.
Signed-off-by: YueHaibing <yuehaibing@huawei.com>
Acked-by: Shannon Nelson <snelson@pensando.io>
Signed-off-by: David S. Miller <davem@davemloft.net>

drivers/net/ethernet/pensando/ionic/ionic_main.c

@@ -2,7 +2,6 @@
 /* Copyright(c) 2017 - 2019 Pensando Systems, Inc */
 
 #include <linux/module.h>
-#include <linux/version.h>
 #include <linux/netdevice.h>
 #include <linux/utsname.h>