USB: usblp: fix system suspend for some systems

this has been confirmed to fix suspend problems with usblp.
Signed-off-by: NOliver Neukum <oliver@neukum.name>
Signed-off-by: NGreg Kroah-Hartman <gregkh@suse.de>

drivers/usb/class/usblp.c

@@ -1203,8 +1203,6 @@ static int usblp_suspend (struct usb_interface *intf, pm_message_t message)
 	down (&usblp->sem);
 	/* we take no more IO */
 	usblp->sleeping = 1;
-	/* we wait for anything printing */
-	wait_event (usblp->wait, usblp->wcomplete || !usblp->present);
 	usblp_unlink_urbs(usblp);
 	up (&usblp->sem);
 	mutex_unlock (&usblp_mutex);