Fix CHEBI ids and remove more unused code
Fix CHEBI ids and remove more unused code

bgyori/indra,johnbachman/belpy,sorgerlab/indra,sorgerlab/belpy,sorgerlab/indra,sorgerlab/indra,johnbachman/indra,johnbachman/belpy,sorgerlab/belpy,bgyori/indra,sorgerlab/belpy,bgyori/indra,johnbachman/indra,johnbachman/indra,johnbachman/belpy