regulator: mt6360: remove redundant error print

fixes coccicheck warning:

drivers/regulator/mt6360-regulator.c:384:3-10: line 384 is
redundant because platform_get_irq() already prints an error

in fact it is not platform_get_irq but platform_get_irq_byname print error
Signed-off-by: Jian Dong <dongjian@yulong.com>
Link: https://lore.kernel.org/r/1616555474-158789-1-git-send-email-dj0227@163.comSigned-off-by: Mark Brown <broonie@kernel.org>

drivers/regulator/mt6360-regulator.c

@@ -380,10 +380,8 @@ static int mt6360_regulator_irq_register(struct platform_device *pdev,
 		const struct mt6360_irq_mapping *irq_desc = tbls + i;
 
 		irq = platform_get_irq_byname(pdev, irq_desc->name);
-		if (irq < 0) {
-			dev_err(&pdev->dev, "Fail to get %s irq\n", irq_desc->name);
+		if (irq < 0)
 			return irq;
-		}
 
 		ret = devm_request_threaded_irq(&pdev->dev, irq, NULL, irq_desc->handler, 0,
 						irq_desc->name, rdev);