ieee802154: merge cleanup

A small cleanup after last net-2.6 merge into net-next-2.6

As we are going to free skb, no need to set skb->skb_iif or skb->dev
Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

drivers/ieee802154/fakehard.c

@@ -282,9 +282,6 @@ static int ieee802154_fake_close(struct net_device *dev)
 static netdev_tx_t ieee802154_fake_xmit(struct sk_buff *skb,
 					      struct net_device *dev)
 {
-	skb->skb_iif = dev->ifindex;
-	skb->dev = dev;
-
 	dev->stats.tx_packets++;
 	dev->stats.tx_bytes += skb->len;