Function devDeleteServiceAccount

devDeleteServiceAccount(
    authEndpoint: string,
    accessToken: string,
    clientId: string,
): Promise<boolean>
This function deletes an existing Service Account given the Client ID.
Parameters
- authEndpoint: string
  URL for id-service authEndpoint.
- accessToken: string
  A valid token with permission for DEV_SETUP_SERVICE_ACCOUNT_WITH_PERMISSIONS granted.
- clientId: string
  Client ID of the Service Account to be deleted.
Returns Promise<boolean>