mt76x0: remove unused endpoint definitions

remove unused usb endpoint definitions since mt76x0
uses mt76-usb ones. Moreover remove unused usb_ctrl mutex
Signed-off-by: Lorenzo Bianconi <lorenzo.bianconi@redhat.com>
Signed-off-by: Stanislaw Gruszka <sgruszka@redhat.com>
Signed-off-by: Felix Fietkau <nbd@nbd.name>

drivers/net/wireless/mediatek/mt76/mt76x0/init.c

@@ -502,7 +502,6 @@ struct mt76x0_dev *mt76x0_alloc_device(struct device *pdev)
 	mdev->drv = &drv_ops;
 
 	dev = container_of(mdev, struct mt76x0_dev, mt76);
-	mutex_init(&dev->usb_ctrl_mtx);
 	mutex_init(&dev->reg_atomic_mutex);
 	mutex_init(&dev->hw_atomic_mutex);
 	spin_lock_init(&dev->mac_lock);

drivers/net/wireless/mediatek/mt76/mt76x0/mt76x0.h

@@ -79,14 +79,8 @@ enum mt_bw {
 struct mt76x0_dev {
 	struct mt76_dev mt76; /* must be first */
 
-	struct mutex usb_ctrl_mtx;
 	u8 data[32];
 
-	u8 out_ep[__MT_EP_OUT_MAX];
-	u16 out_max_packet;
-	u8 in_ep[__MT_EP_IN_MAX];
-	u16 in_max_packet;
-
 	struct delayed_work cal_work;
 	struct delayed_work mac_work;