ASoC: cq93vc: 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 <u.kleine-koenig@pengutronix.de>
Link: https://lore.kernel.org/r/20221212205406.3771071-10-u.kleine-koenig@pengutronix.deSigned-off-by: Mark Brown <broonie@kernel.org>

sound/soc/codecs/cq93vc.c

@@ -134,18 +134,12 @@ static int cq93vc_platform_probe(struct platform_device *pdev)
 			&soc_component_dev_cq93vc, &cq93vc_dai, 1);
 }
 
-static int cq93vc_platform_remove(struct platform_device *pdev)
-{
-	return 0;
-}
-
 static struct platform_driver cq93vc_codec_driver = {
 	.driver = {
 			.name = "cq93vc-codec",
 	},
 
 	.probe = cq93vc_platform_probe,
-	.remove = cq93vc_platform_remove,
 };
 
 module_platform_driver(cq93vc_codec_driver);