[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/sun3_82586.c b/drivers/net/sun3_82586.c
index a123ea8..b77ab6e 100644
--- a/drivers/net/sun3_82586.c
+++ b/drivers/net/sun3_82586.c
@@ -777,7 +777,7 @@
 					{
 						skb_reserve(skb,2);
 						skb_put(skb,totlen);
-						eth_copy_and_sum(skb,(char *) p->base+swab32((unsigned long) rbd->buffer),totlen,0);
+						skb_copy_to_linear_data(skb,(char *) p->base+swab32((unsigned long) rbd->buffer),totlen);
 						skb->protocol=eth_type_trans(skb,dev);
 						netif_rx(skb);
 						p->stats.rx_packets++;