code: def remove(self, document_id, namespace, timestamp):
          
          index, doc_type = self._index_and_mapping(namespace)
  
          action = {
              '_op_type': 'delete',
              '_index': index,
              '_type': doc_type,
              '_id': u(document_id)
          }
  
          meta_action = {
              '_op_type': 'delete',
              '_index': self.meta_index_name,
              '_type': self.meta_type,
              '_id': u(document_id)
          }
  
          self.index(action, meta_action)
docs: Remove a document from Elasticsearch.