wifi: rtl8xxxu: remove obsolete priv->vif

Now that all uses of priv->vif have been converted to priv->vifs[]
remove the old attribute.
Signed-off-by: Martin Kaistra <martin.kaistra@linutronix.de>
Reviewed-by: Ping-Ke Shih <pkshih@realtek.com>
Signed-off-by: Kalle Valo <kvalo@kernel.org>
Link: https://msgid.link/20231222101442.626837-19-martin.kaistra@linutronix.de

drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu.h

@@ -1893,11 +1893,6 @@ struct rtl8xxxu_priv {
 	u8 rssi_level;
 	DECLARE_BITMAP(tx_aggr_started, IEEE80211_NUM_TIDS);
 	DECLARE_BITMAP(tid_tx_operational, IEEE80211_NUM_TIDS);
-	/*
-	 * Only one virtual interface permitted because only STA mode
-	 * is supported and no iface_combinations are provided.
-	 */
-	struct ieee80211_vif *vif;
 
 	struct ieee80211_vif *vifs[2];
 	struct delayed_work ra_watchdog;

drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu_core.c

@@ -6666,7 +6666,6 @@ static int rtl8xxxu_add_interface(struct ieee80211_hw *hw,
 	}
 
 	priv->vifs[port_num] = vif;
-	priv->vif = vif;
 	rtlvif->port_num = port_num;
 
 	rtl8xxxu_set_linktype(priv, vif->type, port_num);
@@ -6684,7 +6683,6 @@ static void rtl8xxxu_remove_interface(struct ieee80211_hw *hw,
 
 	dev_dbg(&priv->udev->dev, "%s\n", __func__);
 
-	priv->vif = NULL;
 	priv->vifs[rtlvif->port_num] = NULL;
 }