b43legacy: remove usage of deprecated noise value

Signed-off-by: John W. Linville <linville@tuxdriver.com>

drivers/net/wireless/b43legacy/xmit.c

@@ -548,7 +548,6 @@ void b43legacy_rx(struct b43legacy_wldev *dev,
 				      (phystat0 & B43legacy_RX_PHYST0_OFDM),
 				      (phystat0 & B43legacy_RX_PHYST0_GAINCTL),
 				      (phystat3 & B43legacy_RX_PHYST3_TRSTATE));
-	status.noise = dev->stats.link_noise;
 	/* change to support A PHY */
 	if (phystat0 & B43legacy_RX_PHYST0_OFDM)
 		status.rate_idx = b43legacy_plcp_get_bitrate_idx_ofdm(plcp, false);