mt76: mt7615: remove redundant dev_err call in mt7622_wmac_probe()

There is a error message within devm_ioremap_resource
already, so remove the dev_err call to avoid redundant
error message.
Reported-by: Hulk Robot <hulkci@huawei.com>
Signed-off-by: Guobin Huang <huangguobin4@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

drivers/net/wireless/mediatek/mt76/mt7615/soc.c

@@ -40,10 +40,8 @@ static int mt7622_wmac_probe(struct platform_device *pdev)
 		return irq;
 
 	mem_base = devm_ioremap_resource(&pdev->dev, res);
-	if (IS_ERR(mem_base)) {
-		dev_err(&pdev->dev, "Failed to get memory resource\n");
+	if (IS_ERR(mem_base))
 		return PTR_ERR(mem_base);
-	}
 
 	return mt7615_mmio_probe(&pdev->dev, mem_base, irq, mt7615e_reg_map);
 }