ASoC: SOF: topology: remove redundant code

With the change in the commit:
"ASoC: SOF: Intel: hda: assign link DMA channel at run-time",
there is no need to find the CPU DAI in sof_link_hda_load().

Fixes: bdf4ad3f ('ASoC: SOF: Intel: hda: assign link DMA channel at
run-time')
Signed-off-by: Ranjani Sridharan <ranjani.sridharan@linux.intel.com>
Reviewed-by: Bard Liao <yung-chuan.liao@linux.intel.com>
Reviewed-by: Péter Ujfalusi <peter.ujfalusi@linux.intel.com>
Reviewed-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Link: https://lore.kernel.org/r/20220307181111.49392-6-ranjani.sridharan@linux.intel.comSigned-off-by: Mark Brown <broonie@kernel.org>

sound/soc/sof/topology.c

@@ -3140,7 +3140,6 @@ static int sof_link_hda_load(struct snd_soc_component *scomp, int index,
 {
 	struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(scomp);
 	struct snd_soc_tplg_private *private = &cfg->priv;
-	struct snd_soc_dai *dai;
 	u32 size = sizeof(*config);
 	int ret;
 
@@ -3161,13 +3160,6 @@ static int sof_link_hda_load(struct snd_soc_component *scomp, int index,
 	dev_dbg(scomp->dev, "HDA config rate %d channels %d\n",
 		config->hda.rate, config->hda.channels);
 
-	dai = snd_soc_find_dai(link->cpus);
-	if (!dai) {
-		dev_err(scomp->dev, "error: failed to find dai %s in %s",
-			link->cpus->dai_name, __func__);
-		return -EINVAL;
-	}
-
 	config->hda.link_dma_ch = DMA_CHAN_INVALID;
 
 	ret = sof_set_dai_config(sdev, size, link, config);