'POST /api/dependency_resolvers/{index}/clean
Cleans up intermediate files created by resolvers during the dependency
installation.
:type   index:    int
:param  index:    index of the dependency resolver
:rtype:     dict
:returns:   a dictified description of the requirement that could
be resolved (keyed on \'requirement\') and the index of
the corresponding resolver (keyed on \'index\').'

@expose_api
@require_admin
def clean(self, trans, id=None, **kwds):

    return self._view.clean(id, **kwds)
