Revert "net: xdp: pull ethernet header off packet after computing skb->protocol"

This reverts commit f8414a8d.

eth_type_trans() does the necessary pull on the skb.
Signed-off-by: NDavid S. Miller <davem@davemloft.net>

net/core/dev.c

@@ -4676,7 +4676,6 @@ static u32 netif_receive_generic_xdp(struct sk_buff *skb,
 	    (orig_bcast != is_multicast_ether_addr_64bits(eth->h_dest))) {
 		__skb_push(skb, ETH_HLEN);
 		skb->protocol = eth_type_trans(skb, skb->dev);
-		__skb_pull(skb, ETH_HLEN);
 	}
 
 	switch (act) {