drivers/rtc/rtc-rs5c348.c: remove empty function

After the switch to devm_* functions and the removal of
rtc_device_unregister(), the 'remove' function does not do anything.
Delete it.

Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Acked-by: Atsushi Nemoto <anemo@mba.ocn.ne.jp>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

drivers/rtc/rtc-rs5c348.c

@@ -218,18 +218,12 @@ static int rs5c348_probe(struct spi_device *spi)
 	return ret;
 }
 
-static int rs5c348_remove(struct spi_device *spi)
-{
-	return 0;
-}
-
 static struct spi_driver rs5c348_driver = {
 	.driver = {
 		.name	= "rtc-rs5c348",
 		.owner	= THIS_MODULE,
 	},
 	.probe	= rs5c348_probe,
-	.remove	= rs5c348_remove,
 };
 
 module_spi_driver(rs5c348_driver);