rtc: lpc32xx: remove .remove

dpm_sysfs_remove() and device_pm_remove() are already called by
device_del() on device removal so there is no need to call
device_init_wakeup(dev, false) from the driver and it allows to remove the
.remove callback.

Link: https://lore.kernel.org/r/20191021155806.3625-2-alexandre.belloni@bootlin.comSigned-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>

drivers/rtc/rtc-lpc32xx.c

@@ -264,16 +264,6 @@ static int lpc32xx_rtc_probe(struct platform_device *pdev)
 	return 0;
 }
 
-static int lpc32xx_rtc_remove(struct platform_device *pdev)
-{
-	struct lpc32xx_rtc *rtc = platform_get_drvdata(pdev);
-
-	if (rtc->irq >= 0)
-		device_init_wakeup(&pdev->dev, 0);
-
-	return 0;
-}
-
 #ifdef CONFIG_PM
 static int lpc32xx_rtc_suspend(struct device *dev)
 {
@@ -355,7 +345,6 @@ MODULE_DEVICE_TABLE(of, lpc32xx_rtc_match);
 
 static struct platform_driver lpc32xx_rtc_driver = {
 	.probe		= lpc32xx_rtc_probe,
-	.remove		= lpc32xx_rtc_remove,
 	.driver = {
 		.name	= "rtc-lpc32xx",
 		.pm	= LPC32XX_RTC_PM_OPS,