openvswitch: Remove unnecessary version.h inclusion

version.h inclusion is not necessary as detected by versioncheck.
Signed-off-by: Syam Sidhardhan <s.syam@samsung.com>
Acked-by: Pravin B Shelar <pshelar@nicira.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

net/openvswitch/vport-geneve.c

@@ -9,8 +9,6 @@
 
 #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
 
-#include <linux/version.h>
-
 #include <linux/in.h>
 #include <linux/ip.h>
 #include <linux/net.h>