ASoC: SOF: topology: remove unused variable

'ret' is never used. Remove it and return 0 instead.
Signed-off-by: Ranjani Sridharan <ranjani.sridharan@linux.intel.com>
Reviewed-by: Bard Liao <yung-chuan.liao@linux.intel.com>
Reviewed-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Signed-off-by: Peter Ujfalusi <peter.ujfalusi@linux.intel.com>
Link: https://lore.kernel.org/r/20220712123902.14696-1-peter.ujfalusi@linux.intel.comSigned-off-by: Mark Brown <broonie@kernel.org>

sound/soc/sof/topology.c

@@ -1419,7 +1419,6 @@ static int sof_widget_unload(struct snd_soc_component *scomp,
 	struct soc_bytes_ext *sbe;
 	struct snd_sof_dai *dai;
 	struct soc_enum *se;
-	int ret = 0;
 	int i;
 
 	swidget = dobj->private;
@@ -1480,7 +1479,7 @@ static int sof_widget_unload(struct snd_soc_component *scomp,
 	list_del(&swidget->list);
 	kfree(swidget);
 
-	return ret;
+	return 0;
 }
 
 /*