mt76: mt7615: remove unneeded semicolon

remove unneeded semicolon.
This is detected by coccinelle.
Signed-off-by: YueHaibing <yuehaibing@huawei.com>
Signed-off-by: Felix Fietkau <nbd@nbd.name>

drivers/net/wireless/mediatek/mt76/mt7615/main.c

@@ -60,7 +60,7 @@ static int get_omac_idx(enum nl80211_iftype type, u32 mask)
 	default:
 		WARN_ON(1);
 		break;
-	};
+	}
 
 	return -1;
 }

drivers/net/wireless/mediatek/mt76/mt7615/mcu.c

@@ -1076,7 +1076,7 @@ int mt7615_mcu_set_sta_rec(struct mt7615_dev *dev, struct ieee80211_vif *vif,
 	default:
 		WARN_ON(1);
 		break;
-	};
+	}
 
 	if (en) {
 		req.basic.conn_state = CONN_STATE_PORT_SECURE;