def _deleteFragments(self, path):
        cmd = getRepositoryCommand(path)
        ticketTypes = self._headings.keys()
        for child in path.children():
            base, ext = os.path.splitext(child.basename())
            if ext in ticketTypes:
                cmd.remove(child)
Delete the change information, to clean up the repository  once the
dataset/ETHPy150Open twisted/twisted/twisted/python/_release.py/NewsBuilder._deleteFragments