rpc: Do not advertise dumptxoutset as a way to flush the chainstate
rpc: Do not advertise dumptxoutset as a way to flush the chainstate

Github-Pull: #18809
Rebased-From: fac0cf6e5513df1402068df113d496b4e03a4bdc

qtumproject/qtum,peercoin/peercoin,monacoinproject/monacoin,DigitalPandacoin/pandacoin,GroestlCoin/GroestlCoin,qtumproject/qtum,peercoin/peercoin,ahmedbodi/vertcoin,qtumproject/qtum,GroestlCoin/GroestlCoin,GroestlCoin/bitcoin,GroestlCoin/GroestlCoin,qtumproject/qtum,vertcoin/vertcoin,peercoin/peercoin,DigitalPandacoin/pandacoin,DigitalPandacoin/pandacoin,ahmedbodi/vertcoin,DigitalPandacoin/pandacoin,GroestlCoin/GroestlCoin,ahmedbodi/vertcoin,peercoin/peercoin,DigitalPandacoin/pandacoin,peercoin/peercoin,vertcoin/vertcoin,GroestlCoin/bitcoin,monacoinproject/monacoin,peercoin/peercoin,monacoinproject/monacoin,DigitalPandacoin/pandacoin,qtumproject/qtum,vertcoin/vertcoin,ahmedbodi/vertcoin,monacoinproject/monacoin,GroestlCoin/bitcoin,GroestlCoin/GroestlCoin,ahmedbodi/vertcoin,vertcoin/vertcoin,vertcoin/vertcoin,vertcoin/vertcoin,monacoinproject/monacoin,GroestlCoin/GroestlCoin,qtumproject/qtum,GroestlCoin/bitcoin,monacoinproject/monacoin,ahmedbodi/vertcoin,GroestlCoin/bitcoin,GroestlCoin/bitcoin,qtumproject/qtum