[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/sun3lance.c b/drivers/net/sun3lance.c
index 791e081..f1548c0 100644
--- a/drivers/net/sun3lance.c
+++ b/drivers/net/sun3lance.c
@@ -853,10 +853,9 @@
 
 				skb_reserve( skb, 2 );	/* 16 byte align */
 				skb_put( skb, pkt_len );	/* Make room */
-//			        skb_copy_to_linear_data(skb, PKTBUF_ADDR(head), pkt_len);
-				eth_copy_and_sum(skb,
+				skb_copy_to_linear_data(skb,
 						 PKTBUF_ADDR(head),
-						 pkt_len, 0);
+						 pkt_len);
 
 				skb->protocol = eth_type_trans( skb, dev );
 				netif_rx( skb );