DeleteUser.
        [Preview API] Disables a user.
        :param str user_descriptor: The descriptor of the user to delete.

def delete_user(self, user_descriptor):
        """DeleteUser.
        [Preview API] Disables a user.
        :param str user_descriptor: The descriptor of the user to delete.
        """
        route_values = {}
        if user_descriptor is not None:
            route_values['userDescriptor'] = self._serialize.url('user_descriptor', user_descriptor, 'str')
        self._send(http_method='DELETE',
                   location_id='005e26ec-6b77-4e4f-a986-b3827bf241f5',
                   version='5.1-preview.1',
                   route_values=route_values)