watchdog: stmp3xxx_rtc_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/stmp3xxx_rtc_wdt.c

@@ -98,10 +98,8 @@ static int stmp3xxx_wdt_probe(struct platform_device *pdev)
 	stmp3xxx_wdd.parent = dev;
 
 	ret = devm_watchdog_register_device(dev, &stmp3xxx_wdd);
-	if (ret < 0) {
-		dev_err(dev, "cannot register watchdog device\n");
+	if (ret < 0)
 		return ret;
-	}
 
 	if (register_reboot_notifier(&wdt_notifier))
 		dev_warn(dev, "cannot register reboot notifier\n");