drivers/rtc/rtc-sun4v.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 <[e-mail]>
Signed-off-by: Andrew Morton <[e-mail]>
Signed-off-by: Linus Torvalds <[e-mail]>

drivers/rtc/rtc-sun4v.c

···
 	return 0;
 }
 
-static int __exit sun4v_rtc_remove(struct platform_device *pdev)
-{
-	return 0;
-}
-
 static struct platform_driver sun4v_rtc_driver = {
 	.driver		= {
 		.name	= "rtc-sun4v",
 		.owner	= THIS_MODULE,
 	},
-	.remove		= __exit_p(sun4v_rtc_remove),
 };
 
 module_platform_driver_probe(sun4v_rtc_driver, sun4v_rtc_probe);