watchdog: st_lpc_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/st_lpc_wdt.c

@@ -228,10 +228,8 @@ static int st_wdog_probe(struct platform_device *pdev)
 		return ret;
 
 	ret = devm_watchdog_register_device(dev, &st_wdog_dev);
-	if (ret) {
-		dev_err(dev, "Unable to register watchdog\n");
+	if (ret)
 		return ret;
-	}
 
 	st_wdog_setup(st_wdog, true);