code: def delete_alias(self, index, name, params=None):
          
          for param in (index, name):
              if param in SKIP_IN_PATH:
                  raise ValueError("Empty value passed for a required argument.")
          return self.transport.perform_request(
              "DELETE", _make_path(index, "_alias", name), params=params
          )
docs: Delete specific alias.
          `<http://www.elastic.co/guide/en/elasticsearch/reference/current/indices-aliases.html>`_
  
          :arg index: A comma-separated list of index names (supports wildcards);
              use `_all` for all indices
          :arg name: A comma-separated list of aliases to delete (supports
              wildcards); use `_all` to delete all aliases for the specified
              indices.
          :arg master_timeout: Specify timeout for connection to master
          :arg request_timeout: Explicit timeout for the operation