Bluetooth: Remove unneeded flag

Remove HCI_LINK_KEYS flag since using HCI_MGMT is enough for test that
user space expects the kernel managing link keys.

Signed-off-by: Andrei Emeltchenko <andrei.emeltchenko@intel.com>
Acked-by: Johan Hedberg <johan.hedberg@intel.com>
Signed-off-by: Gustavo Padovan <gustavo.padovan@collabora.co.uk>

net/bluetooth/mgmt.c

@@ -1736,8 +1736,6 @@ static int load_link_keys(struct sock *sk, struct hci_dev *hdev, void *data,
 
 	hci_link_keys_clear(hdev);
 
-	set_bit(HCI_LINK_KEYS, &hdev->dev_flags);
-
 	if (cp->debug_keys)
 		set_bit(HCI_DEBUG_KEYS, &hdev->dev_flags);
 	else