test: Check that no versionbits are re-used
test: Check that no versionbits are re-used

This allows to remove check that windows for the same bit are disjoint

This addresses https://github.com/bitcoin/bitcoin/pull/21377#discussion_r611492633

andreaskern/bitcoin,Xekyo/bitcoin,Xekyo/bitcoin,fujicoin/fujicoin,sipsorcery/bitcoin,GroestlCoin/GroestlCoin,kallewoof/bitcoin,jlopp/statoshi,sipsorcery/bitcoin,prusnak/bitcoin,jamesob/bitcoin,andreaskern/bitcoin,particl/particl-core,mm-s/bitcoin,particl/particl-core,MarcoFalke/bitcoin,MarcoFalke/bitcoin,yenliangl/bitcoin,mm-s/bitcoin,fanquake/bitcoin,domob1812/namecore,qtumproject/qtum,jlopp/statoshi,AkioNak/bitcoin,lateminer/bitcoin,fujicoin/fujicoin,fanquake/bitcoin,domob1812/bitcoin,sipsorcery/bitcoin,jlopp/statoshi,ElementsProject/elements,AkioNak/bitcoin,tecnovert/particl-core,GroestlCoin/bitcoin,sstone/bitcoin,fujicoin/fujicoin,ElementsProject/elements,pataquets/namecoin-core,achow101/bitcoin,achow101/bitcoin,rnicoll/bitcoin,mruddy/bitcoin,instagibbs/bitcoin,lateminer/bitcoin,bitcoinknots/bitcoin,bitcoin/bitcoin,domob1812/bitcoin,Xekyo/bitcoin,jamesob/bitcoin,sstone/bitcoin,anditto/bitcoin,rnicoll/bitcoin,GroestlCoin/bitcoin,domob1812/namecore,rnicoll/bitcoin,kallewoof/bitcoin,pataquets/namecoin-core,prusnak/bitcoin,bitcoinknots/bitcoin,ajtowns/bitcoin,bitcoin/bitcoin,bitcoinknots/bitcoin,achow101/bitcoin,Xekyo/bitcoin,anditto/bitcoin,apoelstra/bitcoin,apoelstra/bitcoin,bitcoinsSG/bitcoin,lateminer/bitcoin,mm-s/bitcoin,fanquake/bitcoin,particl/particl-core,qtumproject/qtum,ajtowns/bitcoin,pataquets/namecoin-core,pataquets/namecoin-core,AkioNak/bitcoin,anditto/bitcoin,andreaskern/bitcoin,andreaskern/bitcoin,dscotese/bitcoin,GroestlCoin/GroestlCoin,namecoin/namecore,qtumproject/qtum,sstone/bitcoin,AkioNak/bitcoin,jlopp/statoshi,mruddy/bitcoin,kallewoof/bitcoin,namecoin/namecore,domob1812/namecore,dscotese/bitcoin,sipsorcery/bitcoin,mm-s/bitcoin,mm-s/bitcoin,yenliangl/bitcoin,namecoin/namecoin-core,lateminer/bitcoin,bitcoinknots/bitcoin,bitcoin/bitcoin,domob1812/namecore,bitcoin/bitcoin,ajtowns/bitcoin,namecoin/namecoin-core,ajtowns/bitcoin,namecoin/namecoin-core,qtumproject/qtum,apoelstra/bitcoin,instagibbs/bitcoin,kallewoof/bitcoin,anditto/bitcoin,namecoin/namecore,jamesob/bitcoin,dscotese/bitcoin,achow101/bitcoin,jlopp/statoshi,domob1812/bitcoin,tecnovert/particl-core,pataquets/namecoin-core,mruddy/bitcoin,domob1812/bitcoin,GroestlCoin/GroestlCoin,JeremyRubin/bitcoin,ajtowns/bitcoin,particl/particl-core,instagibbs/bitcoin,yenliangl/bitcoin,qtumproject/qtum,fanquake/bitcoin,dscotese/bitcoin,jambolo/bitcoin,JeremyRubin/bitcoin,Xekyo/bitcoin,qtumproject/qtum,bitcoinsSG/bitcoin,namecoin/namecore,yenliangl/bitcoin,yenliangl/bitcoin,fanquake/bitcoin,achow101/bitcoin,JeremyRubin/bitcoin,GroestlCoin/bitcoin,anditto/bitcoin,MarcoFalke/bitcoin,JeremyRubin/bitcoin,apoelstra/bitcoin,tecnovert/particl-core,andreaskern/bitcoin,JeremyRubin/bitcoin,yenliangl/bitcoin,domob1812/namecore,sipsorcery/bitcoin,bitcoin/bitcoin,namecoin/namecoin-core,dscotese/bitcoin,bitcoinsSG/bitcoin,mruddy/bitcoin,domob1812/namecore,sstone/bitcoin,particl/particl-core,tecnovert/particl-core,ElementsProject/elements,apoelstra/bitcoin,instagibbs/bitcoin,MarcoFalke/bitcoin,jambolo/bitcoin,prusnak/bitcoin,lateminer/bitcoin,apoelstra/bitcoin,instagibbs/bitcoin,lateminer/bitcoin,bitcoin/bitcoin,domob1812/bitcoin,GroestlCoin/GroestlCoin,bitcoinsSG/bitcoin,JeremyRubin/bitcoin,ElementsProject/elements,rnicoll/bitcoin,Xekyo/bitcoin,kallewoof/bitcoin,jambolo/bitcoin,andreaskern/bitcoin,fanquake/bitcoin,GroestlCoin/bitcoin,anditto/bitcoin,AkioNak/bitcoin,mruddy/bitcoin,prusnak/bitcoin,bitcoinsSG/bitcoin,fujicoin/fujicoin,tecnovert/particl-core,rnicoll/bitcoin,prusnak/bitcoin,jamesob/bitcoin,sipsorcery/bitcoin,jlopp/statoshi,achow101/bitcoin,AkioNak/bitcoin,dscotese/bitcoin,namecoin/namecore,sstone/bitcoin,pataquets/namecoin-core,mruddy/bitcoin,instagibbs/bitcoin,sstone/bitcoin,rnicoll/bitcoin,prusnak/bitcoin,jambolo/bitcoin,jamesob/bitcoin,GroestlCoin/GroestlCoin,fujicoin/fujicoin,mm-s/bitcoin,MarcoFalke/bitcoin,bitcoinknots/bitcoin,MarcoFalke/bitcoin,jamesob/bitcoin,particl/particl-core,fujicoin/fujicoin,ElementsProject/elements,GroestlCoin/bitcoin,ElementsProject/elements,domob1812/bitcoin,jambolo/bitcoin,GroestlCoin/GroestlCoin,ajtowns/bitcoin,tecnovert/particl-core,GroestlCoin/bitcoin,qtumproject/qtum,namecoin/namecoin-core,kallewoof/bitcoin,namecoin/namecore,namecoin/namecoin-core,jambolo/bitcoin,bitcoinsSG/bitcoin