Bluetooth: Removing noisy dbg message

This patch removes a particularly noisy dbg message.  The debug message
isn't particularly interesting for debuggability so it was simply
removed to reduce noise in dbg logs.
Signed-off-by: Alain Michaud <alainm@chromium.org>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>

net/bluetooth/af_bluetooth.c

@@ -453,8 +453,6 @@ __poll_t bt_sock_poll(struct file *file, struct socket *sock,
 	struct sock *sk = sock->sk;
 	__poll_t mask = 0;
 
-	BT_DBG("sock %p, sk %p", sock, sk);
-
 	poll_wait(file, sk_sleep(sk), wait);
 
 	if (sk->sk_state == BT_LISTEN)