Revert "mac80211: fix rates setup on IBSS merge"

I accidentally merged an incomplete version of the patch...

This reverts commit b4d59a93.
Signed-off-by: John W. Linville <linville@tuxdriver.com>

net/mac80211/ibss.c

@@ -276,8 +276,6 @@ static void ieee80211_rx_bss_info(struct ieee80211_sub_if_data *sdata,
 				    (unsigned long long) sta->sta.supp_rates[band]);
 #endif
 			rcu_read_unlock();
-
-			/* FIXME: update rate control */
 		} else {
 			rcu_read_unlock();
 			ieee80211_ibss_add_sta(sdata, mgmt->bssid, mgmt->sa,
@@ -372,7 +370,6 @@ static void ieee80211_rx_bss_info(struct ieee80211_sub_if_data *sdata,
 		       sdata->name, mgmt->bssid);
 #endif
 		ieee80211_sta_join_ibss(sdata, bss);
-		supp_rates = ieee80211_sta_get_rates(local, elems, band);
 		ieee80211_ibss_add_sta(sdata, mgmt->bssid, mgmt->sa,
 				       supp_rates, GFP_KERNEL);
 	}