hwrng: cctrng - delete redundant printing of return value

platform_get_irq() has already checked and printed the return value,
the printing here is nothing special, it is not necessary at all.
Signed-off-by: NWang Qing <wangqing@vivo.com>
Signed-off-by: NHerbert Xu <herbert@gondor.apana.org.au>

drivers/char/hw_random/cctrng.c

@@ -517,10 +517,8 @@ static int cctrng_probe(struct platform_device *pdev)
 
 	/* Then IRQ */
 	irq = platform_get_irq(pdev, 0);
-	if (irq < 0) {
-		dev_err(dev, "Failed getting IRQ resource\n");
+	if (irq < 0)
 		return irq;
-	}
 
 	/* parse sampling rate from device tree */
 	rc = cc_trng_parse_sampling_ratio(drvdata);