mt76: mt7603: remove duplicate error message

it will print an error message by itself when
devm_platform_ioremap_resource() goes wrong. so remove the duplicate
error message.
Signed-off-by: Dejin Zheng <zhengdejin5@gmail.com>
Signed-off-by: Felix Fietkau <nbd@nbd.name>

drivers/net/wireless/mediatek/mt76/mt7603/soc.c

@@ -20,10 +20,8 @@ mt76_wmac_probe(struct platform_device *pdev)
 		return irq;
 
 	mem_base = devm_platform_ioremap_resource(pdev, 0);
-	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);
-	}
 
 	mdev = mt76_alloc_device(&pdev->dev, sizeof(*dev), &mt7603_ops,
 				 &mt7603_drv_ops);