Bluetooth: L2CAP: Remove unused declarations

Commit e7b02296 ("Bluetooth: Remove BT_HS") removed the implementations
but leave declarations.
Signed-off-by: Yue Haibing <yuehaibing@huawei.com>
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>

include/net/bluetooth/l2cap.h

@@ -968,10 +968,6 @@ void l2cap_chan_list(struct l2cap_conn *conn, l2cap_chan_func_t func,
 		     void *data);
 void l2cap_chan_del(struct l2cap_chan *chan, int err);
 void l2cap_send_conn_req(struct l2cap_chan *chan);
-void l2cap_move_start(struct l2cap_chan *chan);
-void l2cap_logical_cfm(struct l2cap_chan *chan, struct hci_chan *hchan,
-		       u8 status);
-void __l2cap_physical_cfm(struct l2cap_chan *chan, int result);
 
 struct l2cap_conn *l2cap_conn_get(struct l2cap_conn *conn);
 void l2cap_conn_put(struct l2cap_conn *conn);