Remove unused helm value key (#371) · nmshd/backbone@55bf9a5

Non-nullable property 'MetricKey' must contain a non-null value when exiting constructor. Consider declaring the property as nullable.

Non-nullable property 'Owner' must contain a non-null value when exiting constructor. Consider declaring the property as nullable.

Non-nullable property 'Owner' must contain a non-null value when exiting constructor. Consider declaring the property as nullable.