'Remove a single base file if it is old enough.'

def _remove_base_file(self, base_file):

    maxage = CONF.libvirt.remove_unused_resized_minimum_age_seconds
    if (base_file in self.originals):
        maxage = CONF.remove_unused_original_minimum_age_seconds
    self._remove_old_enough_file(base_file, maxage)
