spi: s3c64xx: remove unnecessary callback msg->complete

msg->complete will be called in spi_finalize_current_message().
Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Reviewed-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Grant Likely <grant.likely@secretlab.ca>

drivers/spi/spi-s3c64xx.c

@@ -764,9 +764,6 @@ static int s3c64xx_spi_transfer_one_message(struct spi_master *master,
 
 	msg->status = status;
 
-	if (msg->complete)
-		msg->complete(msg->context);
-
 	spi_finalize_current_message(master);
 
 	return 0;