Delete a device's attachment.

        :param id: Device ID as an int.
        :param attid: Attachment ID as an int.

def delete(self, id, attid): # pylint: disable=invalid-name,redefined-builtin
        """Delete a device's attachment.

        :param id: Device ID as an int.
        :param attid: Attachment ID as an int.
        """
        return self.service.edit(self._base(id), attid)