netvsc: Remove mistaken udp.h inclusion.

Based upon v2 of Stephen's patch.
Signed-off-by: David S. Miller <davem@davemloft.net>

drivers/net/hyperv/netvsc_drv.c

@@ -36,7 +36,6 @@
 #include <net/arp.h>
 #include <net/route.h>
 #include <net/sock.h>
-#include <net/udp.h>
 #include <net/pkt_sched.h>
 
 #include "hyperv_net.h"