ASoC: bt-sco: 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]>
Link: https://lore.kernel.org/r/[e-mail]
Signed-off-by: Mark Brown <[e-mail]>

sound/soc/codecs/bt-sco.c

···
 				      bt_sco_dai, ARRAY_SIZE(bt_sco_dai));
 }
 
-static int bt_sco_remove(struct platform_device *pdev)
-{
-	return 0;
-}
-
 static const struct platform_device_id bt_sco_driver_ids[] = {
 	{
 		.name		= "dfbmcs320",
···
 		.of_match_table = of_match_ptr(bt_sco_codec_of_match),
 	},
 	.probe = bt_sco_probe,
-	.remove = bt_sco_remove,
 	.id_table = bt_sco_driver_ids,
 };