code: def delete_sequence_alteration(self, feature_id, organism=None, sequence=None):
          
          data = {
              'features': [{
                  'uniquename': feature_id,
              }]
          }
          data = self._update_data(data, organism, sequence)
          return self.post('deleteSequenceAlteration', data)
docs: [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(?)