[ATM]: Eliminate dead config variable CONFIG_BR2684_FAST_TRANS.

Signed-off-by: chas williams <chas@cmf.nrl.navy.mil>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/net/atm/br2684.c b/net/atm/br2684.c
index faa6aaf..c0f6861 100644
--- a/net/atm/br2684.c
+++ b/net/atm/br2684.c
@@ -460,11 +460,7 @@
 	skb_pull(skb, plen);
 	skb_set_mac_header(skb, -ETH_HLEN);
 	skb->pkt_type = PACKET_HOST;
-#ifdef CONFIG_BR2684_FAST_TRANS
-	skb->protocol = ((u16 *) skb->data)[-1];
-#else				/* some protocols might require this: */
 	skb->protocol = br_type_trans(skb, net_dev);
-#endif /* CONFIG_BR2684_FAST_TRANS */
 #else
 	skb_pull(skb, plen - ETH_HLEN);
 	skb->protocol = eth_type_trans(skb, net_dev);