drivers/rtc/rtc-snvs.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-snvs.c

···
 	return 0;
 }
 
-static int snvs_rtc_remove(struct platform_device *pdev)
-{
-	return 0;
-}
-
 #ifdef CONFIG_PM_SLEEP
 static int snvs_rtc_suspend(struct device *dev)
 {
···
 		.of_match_table = of_match_ptr(snvs_dt_ids),
 	},
 	.probe		= snvs_rtc_probe,
-	.remove		= snvs_rtc_remove,
 };
 module_platform_driver(snvs_rtc_driver);