media: rc/ir-rx51: Drop empty platform remove function

A remove callback just returning 0 is equivalent to no remove callback
at all. So drop the useless function.
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Signed-off-by: Sean Young <sean@mess.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>

drivers/media/rc/ir-rx51.c

@@ -261,11 +261,6 @@ static int ir_rx51_probe(struct platform_device *dev)
 	return devm_rc_register_device(&dev->dev, ir_rx51.rcdev);
 }
 
-static int ir_rx51_remove(struct platform_device *dev)
-{
-	return 0;
-}
-
 static const struct of_device_id ir_rx51_match[] = {
 	{
 		.compatible = "nokia,n900-ir",
@@ -276,7 +271,6 @@ MODULE_DEVICE_TABLE(of, ir_rx51_match);
 
 static struct platform_driver ir_rx51_platform_driver = {
 	.probe		= ir_rx51_probe,
-	.remove		= ir_rx51_remove,
 	.suspend	= ir_rx51_suspend,
 	.resume		= ir_rx51_resume,
 	.driver		= {