media: ttusbir: avoid unnecessary usb_unlink_urb()

While the completion handler is running,
usb_unlink_urb() on yourself is a NOP. Remove it.
Signed-off-by: Oliver Neukum <oneukum@suse.com>
Signed-off-by: Sean Young <sean@mess.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>

drivers/media/rc/ttusbir.c

@@ -90,7 +90,6 @@ static void ttusbir_bulk_complete(struct urb *urb)
 	case -ECONNRESET:
 	case -ENOENT:
 	case -ESHUTDOWN:
-		usb_unlink_urb(urb);
 		return;
 	case -EPIPE:
 	default:
@@ -166,7 +165,6 @@ static void ttusbir_urb_complete(struct urb *urb)
 	case -ECONNRESET:
 	case -ENOENT:
 	case -ESHUTDOWN:
-		usb_unlink_urb(urb);
 		return;
 	case -EPIPE:
 	default: