code: def delete(self, account_id, user_id):
          
          return self.connection.delete('account/access', account_id=account_id, user_id=user_id)
docs: Only the primary on the account can add or remove user's access to an account
          :param account_id: int of the account_id for the account
          :param user_id:    int of the user_id to grant access
          :return:           Access dict