drivers/rtc/rtc-generic.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>
Cc: Kyle McMartin <kyle@mcmartin.ca>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

drivers/rtc/rtc-generic.c

@@ -48,17 +48,11 @@ static int __init generic_rtc_probe(struct platform_device *dev)
 	return 0;
 }
 
-static int __exit generic_rtc_remove(struct platform_device *dev)
-{
-	return 0;
-}
-
 static struct platform_driver generic_rtc_driver = {
 	.driver = {
 		.name = "rtc-generic",
 		.owner = THIS_MODULE,
 	},
-	.remove = __exit_p(generic_rtc_remove),
 };
 
 module_platform_driver_probe(generic_rtc_driver, generic_rtc_probe);