1. If the user tries to remove the gateway from the parent account, system need to check whether that gateway used sub account/s is active or not.
2. If those sub account/s is active then, the existing warning message would be displayed. (If any sub account linked to the gateway which is above remove ia in active status, then the system will not allow to remove the gateway.
( Message: Please remove the gateway from below sub merchant accounts to remove the gateway from <<Account Name>> merchant account. <<List of Merchant Accounts>>)
2. If those sub account/s is inactive then, the user can remove the gateway from the parent account.
