media: s5c73m3: Drop empty spi_driver remove callback

A driver with a remove callback that just returns 0 behaves identically
to a driver with no remove callback at all. So simplify accordingly.
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Reviewed-by: Kieran Bingham <kieran.bingham+renesas@ideasonboard.com>
Reviewed-by: Andrzej Hajda <andrzej.hajda@intel.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>

drivers/media/i2c/s5c73m3/s5c73m3-spi.c

@@ -130,16 +130,10 @@ static int s5c73m3_spi_probe(struct spi_device *spi)
 	return 0;
 }
 
-static int s5c73m3_spi_remove(struct spi_device *spi)
-{
-	return 0;
-}
-
 int s5c73m3_register_spi_driver(struct s5c73m3 *state)
 {
 	struct spi_driver *spidrv = &state->spidrv;
 
-	spidrv->remove = s5c73m3_spi_remove;
 	spidrv->probe = s5c73m3_spi_probe;
 	spidrv->driver.name = S5C73M3_SPI_DRV_NAME;
 	spidrv->driver.of_match_table = s5c73m3_spi_ids;