Reduce annotations to ones used to identify enrichment (normally exclude ND and NOT).

def reduce_annotations(self, annotations, options):
        """Reduce annotations to ones used to identify enrichment (normally exclude ND and NOT)."""
        getfnc_qual_ev = options.getfnc_qual_ev()
        return [nt for nt in annotations if getfnc_qual_ev(nt.Qualifier, nt.Evidence_Code)]