Bluetooth: btusb: Remove detection of ISO packets over bulk

This removes the code introduced by
14202eff as hci_recv_frame is now able
to detect ACL packets that are in fact ISO packets.

Fixes: 14202eff ("Bluetooth: btusb: Detect if an ACL packet is in fact an ISO packet")
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>

drivers/bluetooth/btusb.c

@@ -1050,21 +1050,11 @@ static int btusb_recv_bulk(struct btusb_data *data, void *buffer, int count)
 		hci_skb_expect(skb) -= len;
 
 		if (skb->len == HCI_ACL_HDR_SIZE) {
-			__u16 handle = __le16_to_cpu(hci_acl_hdr(skb)->handle);
 			__le16 dlen = hci_acl_hdr(skb)->dlen;
-			__u8 type;
 
 			/* Complete ACL header */
 			hci_skb_expect(skb) = __le16_to_cpu(dlen);
 
-			/* Detect if ISO packet has been sent over bulk */
-			if (hci_conn_num(data->hdev, ISO_LINK)) {
-				type = hci_conn_lookup_type(data->hdev,
-							    hci_handle(handle));
-				if (type == ISO_LINK)
-					hci_skb_pkt_type(skb) = HCI_ISODATA_PKT;
-			}
-
 			if (skb_tailroom(skb) < hci_skb_expect(skb)) {
 				kfree_skb(skb);
 				skb = NULL;