hwmon: (emc1403) Remove unnecessary hwmon_device_unregister

It is unnecessary and wrong to call hwmon_device_unregister in error
handling before hwmon_device_register is called.

Signed-off-by: Yong Wang <[e-mail]>
Reviewed-by: Guenter Roeck <[e-mail]>
Cc: [e-mail]
Signed-off-by: Jean Delvare <[e-mail]>

drivers/hwmon/emc1403.c

···
 	res = sysfs_create_group(&client->dev.kobj, &m_thermal_gr);
 	if (res) {
 		dev_warn(&client->dev, "create group failed\n");
-		hwmon_device_unregister(data->hwmon_dev);
 		goto thermal_error1;
 	}
 	data->hwmon_dev = hwmon_device_register(&client->dev);