wifi: mt76: mt7921u: remove unnecessary MT76_STATE_SUSPEND

remove unnecessary MT76_STATE_SUSPEND manipulation to be consistent
with the mt7921[e, s] driver.
Acked-by: Lorenzo Bianconi <lorenzo@kernel.org>
Signed-off-by: Sean Wang <sean.wang@mediatek.com>
Signed-off-by: Felix Fietkau <nbd@nbd.name>

drivers/net/wireless/mediatek/mt76/mt7921/usb.c

@@ -314,8 +314,6 @@ static int mt7921u_suspend(struct usb_interface *intf, pm_message_t state)
 	mt76u_stop_rx(&dev->mt76);
 	mt76u_stop_tx(&dev->mt76);
 
-	set_bit(MT76_STATE_SUSPEND, &dev->mphy.state);
-
 	return 0;
 
 failed:
@@ -355,8 +353,6 @@ static int mt7921u_resume(struct usb_interface *intf)
 			goto failed;
 	}
 
-	clear_bit(MT76_STATE_SUSPEND, &dev->mphy.state);
-
 	err = mt76u_resume_rx(&dev->mt76);
 	if (err < 0)
 		goto failed;