can: ctucanfd: ctucan_platform_probe(): remove unnecessary print function dev_err()

The print function dev_err() is redundant because platform_get_irq()
already prints an error.

Eliminate the follow coccicheck warnings:

| drivers/net/can/ctucanfd/ctucanfd_platform.c:67:2-9:
| line 67 is redundant because platform_get_irq() already prints an error.

Link: https://lore.kernel.org/all/20220421203242.7335-1-jiapeng.chong@linux.alibaba.comReported-by: Abaci Robot <abaci@linux.alibaba.com>
Signed-off-by: Jiapeng Chong <jiapeng.chong@linux.alibaba.com>
Acked-by: Pave Pisa <pisa@cmp.felk.cvut.cz>
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>

drivers/net/can/ctucanfd/ctucanfd_platform.c

@@ -64,7 +64,6 @@ static int ctucan_platform_probe(struct platform_device *pdev)
 	}
 	irq = platform_get_irq(pdev, 0);
 	if (irq < 0) {
-		dev_err(dev, "Cannot find interrupt.\n");
 		ret = irq;
 		goto err;
 	}