[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/au1000_eth.c b/drivers/net/au1000_eth.c
index c27cfce..e86b369 100644
--- a/drivers/net/au1000_eth.c
+++ b/drivers/net/au1000_eth.c
@@ -1205,8 +1205,8 @@
 				continue;
 			}
 			skb_reserve(skb, 2);	/* 16 byte IP header align */
-			eth_copy_and_sum(skb,
-				(unsigned char *)pDB->vaddr, frmlen, 0);
+			skb_copy_to_linear_data(skb,
+				(unsigned char *)pDB->vaddr, frmlen);
 			skb_put(skb, frmlen);
 			skb->protocol = eth_type_trans(skb, dev);
 			netif_rx(skb);	/* pass the packet to upper layers */