'Delete the key with the specified id from your deploy keys list.
:returns: bool -- True if successful, False otherwise'

@requires_auth
def delete_key(self, key_id):

    if (int(key_id) <= 0):
        return False
    url = self._build_url(u'keys', str(key_id), base_url=self._api)
    return self._boolean(self._delete(url), 204, 404)
