CAPI: Drop handle_minor_recv from capinc_tty_write

Sending a message down the CAPI stack may trigger the reception of an
answer, but this will go through capi_recv_message and call
handle_minor_recv from there. There is no need to walk the receive queue
on capinc_tty_write.
Signed-off-by: NJan Kiszka <jan.kiszka@web.de>
Signed-off-by: NDavid S. Miller <davem@davemloft.net>

drivers/isdn/capi/capi.c

@@ -1104,7 +1104,6 @@ static int capinc_tty_write(struct tty_struct *tty,
 	skb_queue_tail(&mp->outqueue, skb);
 	mp->outbytes += skb->len;
 	(void)handle_minor_send(mp);
-	(void)handle_minor_recv(mp);
 	spin_unlock_irqrestore(&workaround_lock, flags);
 	return count;
 }