[UNTESTED] Delete a specific feature alteration

        :type feature_id: str
        :param feature_id: Feature UUID

        :type organism: str
        :param organism: Organism Common Name

        :type sequence: str
        :param sequence: Sequence Name

        :rtype: list
        :return: A list of sequence alterations(?)

def delete_sequence_alteration(self, feature_id, organism=None, sequence=None):
        """
        [UNTESTED] Delete a specific feature alteration

        :type feature_id: str
        :param feature_id: Feature UUID

        :type organism: str
        :param organism: Organism Common Name

        :type sequence: str
        :param sequence: Sequence Name

        :rtype: list
        :return: A list of sequence alterations(?)
        """
        data = {
            'features': [{
                'uniquename': feature_id,
            }]
        }
        data = self._update_data(data, organism, sequence)
        return self.post('deleteSequenceAlteration', data)