def METHOD_NAME(self, collection_id: str, identifier: str) -> bool:
    """
    implements DELETE /collections/{collectionId}/items/{featureId}
    @type collection_id: string
    @param collection_id: id of collection
    @type identifier: string
    @param identifier: feature identifier
    @returns: ``bool`` of deletion result
    """
    path = f'collections/{collection_id}/items/{identifier}'
    _ = self._request(method='DELETE', path=path)
    return True