iwlagn: remove common station priv

Since the driver split there's no more need for
shared/non-shared private station data so remove
struct iwl_station_priv_common entirely.

Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
diff --git a/drivers/net/wireless/iwlwifi/iwl-agn.c b/drivers/net/wireless/iwlwifi/iwl-agn.c
index 6def1c2..fcfb410 100644
--- a/drivers/net/wireless/iwlwifi/iwl-agn.c
+++ b/drivers/net/wireless/iwlwifi/iwl-agn.c
@@ -2513,7 +2513,7 @@
 	mutex_lock(&priv->shrd->mutex);
 	IWL_DEBUG_INFO(priv, "proceeding to add station %pM\n",
 			sta->addr);
-	sta_priv->common.sta_id = IWL_INVALID_STATION;
+	sta_priv->sta_id = IWL_INVALID_STATION;
 
 	atomic_set(&sta_priv->pending_frames, 0);
 	if (vif->type == NL80211_IFTYPE_AP)
@@ -2529,7 +2529,7 @@
 		return ret;
 	}
 
-	sta_priv->common.sta_id = sta_id;
+	sta_priv->sta_id = sta_id;
 
 	/* Initialize rate scaling */
 	IWL_DEBUG_INFO(priv, "Initializing rate scaling for station %pM\n",