watchdog: mena21_wdt: drop warning after registering device

The core will print out details now.
Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Wim Van Sebroeck <wim@linux-watchdog.org>

drivers/watchdog/mena21_wdt.c

@@ -190,10 +190,8 @@ static int a21_wdt_probe(struct platform_device *pdev)
 	dev_set_drvdata(dev, drv);
 
 	ret = devm_watchdog_register_device(dev, &a21_wdt);
-	if (ret) {
-		dev_err(dev, "Cannot register watchdog device\n");
+	if (ret)
 		return ret;
-	}
 
 	dev_info(dev, "MEN A21 watchdog timer driver enabled\n");