ASoC: mediatek: mt8188: remove some dead code

We know that "irq < 0", so delete the unnecessary check.
Signed-off-by: Dan Carpenter <error27@gmail.com>
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Link: https://lore.kernel.org/r/Y9JHSwcfdNcfMjjt@kiliSigned-off-by: Mark Brown <broonie@kernel.org>

sound/soc/mediatek/mt8188/mt8188-afe-pcm.c

@@ -3220,8 +3220,7 @@ static int mt8188_afe_pcm_dev_probe(struct platform_device *pdev)
 	/* request irq */
 	irq_id = platform_get_irq(pdev, 0);
 	if (irq_id < 0)
-		return dev_err_probe(dev, irq_id < 0 ? irq_id : -ENXIO,
-				     "no irq found");
+		return dev_err_probe(dev, irq_id, "no irq found");
 
 	ret = devm_request_irq(dev, irq_id, mt8188_afe_irq_handler,
 			       IRQF_TRIGGER_NONE, "asys-isr", (void *)afe);