platform/x86: acerhdf: Drop empty platform remove function

A remove callback just returning 0 is equivalent to no remove callback
at all. So drop the useless function.

Signed-off-by: Uwe Kleine-König <[e-mail]>
Acked-by: Peter Kaestle <[e-mail]>
Link: https://lore.kernel.org/r/[e-mail]
Reviewed-by: Hans de Goede <[e-mail]>
Signed-off-by: Hans de Goede <[e-mail]>

drivers/platform/x86/acerhdf.c

···
 	return 0;
 }
 
-static int acerhdf_remove(struct platform_device *device)
-{
-	return 0;
-}
-
 static const struct dev_pm_ops acerhdf_pm_ops = {
 	.suspend = acerhdf_suspend,
 	.freeze  = acerhdf_suspend,
···
 		.pm    = &acerhdf_pm_ops,
 	},
 	.probe = acerhdf_probe,
-	.remove = acerhdf_remove,
 };
 
 /* check hardware */