b43: Remove unneeded message

The driver can spam the logs with "RX: Packet dropped" messages. These drops
originate from 1. a correpted PLCP, 2. decryption errors, and 3. packet
size underruns. Condition #3 logs a separate message, thus no dropped message
is needed.
Signed-off-by: NLarry Finger <Larry.Finger@lwfinger.net>
Signed-off-by: NJohn W. Linville <linville@tuxdriver.com>

drivers/net/wireless/b43/xmit.c

@@ -827,7 +827,6 @@ void b43_rx(struct b43_wldev *dev, struct sk_buff *skb, const void *_rxhdr)
 #endif
 	return;
 drop:
-	b43dbg(dev->wl, "RX: Packet dropped\n");
 	dev_kfree_skb_any(skb);
 }