194: Novation no-op restriction

Novation types AllegedNovationAgreement ConfirmedNovationAgreement etc, etc are derived by restriction which has no effect, since all content is re introduced

192: Repeated declaration of identical Novation content

fpml-posttrade-4-2.xsd #1identical content, multiple declaration, payment is optional AllegedNovationAgreement ConfirmedNovationAgreement ConsentGrantedNovationAgreement MatchedNovationAgreement NovateTradeNovationAgreement RequestConfirmationNovationAgreement StatusNotificationNovationAgreement #2 identical content, multiple declaration, no payment ConsentRefusedNovationAgreement ConsentRequestNovationAgreement TradeNovatedNovationAgreement