[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>

drivers/net/a2065.c

@@ -322,9 +322,9 @@ static int lance_rx (struct net_device *dev)
 
 			skb_reserve (skb, 2);		/* 16 byte align */
 			skb_put (skb, len);		/* make room */
-			eth_copy_and_sum(skb,
+			skb_copy_to_linear_data(skb,
 					 (unsigned char *)&(ib->rx_buf [lp->rx_new][0]),
-					 len, 0);
+					 len);
 			skb->protocol = eth_type_trans (skb, dev);
 			netif_rx (skb);
 			dev->last_rx = jiffies;