[NET]: Kill eth_copy_and_sum().

It hasn't "summed" anything in over 7 years, and it's
just a straight mempcy ala skb_copy_to_linear_data()
so just get rid of it.

Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/drivers/net/pci-skeleton.c b/drivers/net/pci-skeleton.c
index df8998b..3cdbe118 100644
--- a/drivers/net/pci-skeleton.c
+++ b/drivers/net/pci-skeleton.c
@@ -1567,7 +1567,7 @@
 		if (skb) {
 			skb_reserve (skb, 2);	/* 16 byte align the IP fields. */
 
-			eth_copy_and_sum (skb, &rx_ring[ring_offset + 4], pkt_size, 0);
+			skb_copy_to_linear_data (skb, &rx_ring[ring_offset + 4], pkt_size);
 			skb_put (skb, pkt_size);
 
 			skb->protocol = eth_type_trans (skb, dev);