clk: wm831x: get rid of the implementation of remove function

The remove function implemented for platform driver's remove callback
just return 0 as part of its implementation.

Remove this APIs and do not pass the valid .remove for platform driver.
Signed-off-by: Laxman Dewangan <ldewangan@nvidia.com>
Acked-by: Mark Brown <broonie@linaro.org>
Signed-off-by: Mike Turquette <mturquette@linaro.org>

drivers/clk/clk-wm831x.c

@@ -391,14 +391,8 @@ static int wm831x_clk_probe(struct platform_device *pdev)
 	return 0;
 }
 
-static int wm831x_clk_remove(struct platform_device *pdev)
-{
-	return 0;
-}
-
 static struct platform_driver wm831x_clk_driver = {
 	.probe = wm831x_clk_probe,
-	.remove = wm831x_clk_remove,
 	.driver		= {
 		.name	= "wm831x-clk",
 		.owner	= THIS_MODULE,