doc: clean out release notes post branch-off
doc: clean out release notes post branch-off

domob1812/bitcoin,domob1812/bitcoin,GroestlCoin/bitcoin,prusnak/bitcoin,bitcoinsSG/bitcoin,fujicoin/fujicoin,MarcoFalke/bitcoin,MarcoFalke/bitcoin,tecnovert/particl-core,bitcoin/bitcoin,Sjors/bitcoin,namecoin/namecoin-core,Sjors/bitcoin,qtumproject/qtum,kallewoof/bitcoin,jamesob/bitcoin,domob1812/bitcoin,andreaskern/bitcoin,MarcoFalke/bitcoin,jambolo/bitcoin,andreaskern/bitcoin,bitcoin/bitcoin,tecnovert/particl-core,jlopp/statoshi,instagibbs/bitcoin,jnewbery/bitcoin,dscotese/bitcoin,pstratem/bitcoin,dscotese/bitcoin,AkioNak/bitcoin,practicalswift/bitcoin,kallewoof/bitcoin,rnicoll/bitcoin,tecnovert/particl-core,MeshCollider/bitcoin,andreaskern/bitcoin,Xekyo/bitcoin,GroestlCoin/bitcoin,EthanHeilman/bitcoin,Sjors/bitcoin,jamesob/bitcoin,AkioNak/bitcoin,qtumproject/qtum,domob1812/bitcoin,bitcoinknots/bitcoin,lateminer/bitcoin,fanquake/bitcoin,MeshCollider/bitcoin,jamesob/bitcoin,GroestlCoin/GroestlCoin,domob1812/namecore,apoelstra/bitcoin,mm-s/bitcoin,ajtowns/bitcoin,Xekyo/bitcoin,ajtowns/bitcoin,tecnovert/particl-core,practicalswift/bitcoin,prusnak/bitcoin,qtumproject/qtum,practicalswift/bitcoin,GroestlCoin/GroestlCoin,sipsorcery/bitcoin,fanquake/bitcoin,prusnak/bitcoin,GroestlCoin/GroestlCoin,Sjors/bitcoin,jamesob/bitcoin,jnewbery/bitcoin,namecoin/namecoin-core,kallewoof/bitcoin,fanquake/bitcoin,bitcoin/bitcoin,tecnovert/particl-core,bitcoin/bitcoin,GroestlCoin/bitcoin,instagibbs/bitcoin,ElementsProject/elements,GroestlCoin/GroestlCoin,n1bor/bitcoin,MarcoFalke/bitcoin,jambolo/bitcoin,anditto/bitcoin,particl/particl-core,bitcoinknots/bitcoin,jamesob/bitcoin,sstone/bitcoin,bitcoinknots/bitcoin,lateminer/bitcoin,jlopp/statoshi,sipsorcery/bitcoin,sstone/bitcoin,andreaskern/bitcoin,MarcoFalke/bitcoin,Xekyo/bitcoin,domob1812/namecore,pataquets/namecoin-core,sipsorcery/bitcoin,n1bor/bitcoin,dscotese/bitcoin,jnewbery/bitcoin,pstratem/bitcoin,GroestlCoin/bitcoin,fujicoin/fujicoin,particl/particl-core,bitcoinknots/bitcoin,achow101/bitcoin,fujicoin/fujicoin,bitcoinsSG/bitcoin,cdecker/bitcoin,domob1812/bitcoin,instagibbs/bitcoin,fujicoin/fujicoin,bitcoinsSG/bitcoin,cdecker/bitcoin,jlopp/statoshi,yenliangl/bitcoin,practicalswift/bitcoin,jambolo/bitcoin,dscotese/bitcoin,domob1812/namecore,JeremyRubin/bitcoin,apoelstra/bitcoin,sstone/bitcoin,bitcoinsSG/bitcoin,Xekyo/bitcoin,mruddy/bitcoin,qtumproject/qtum,pataquets/namecoin-core,namecoin/namecore,domob1812/namecore,bitcoinsSG/bitcoin,rnicoll/bitcoin,namecoin/namecore,domob1812/namecore,sipsorcery/bitcoin,lateminer/bitcoin,EthanHeilman/bitcoin,MarcoFalke/bitcoin,prusnak/bitcoin,qtumproject/qtum,qtumproject/qtum,fanquake/bitcoin,rnicoll/bitcoin,rnicoll/bitcoin,GroestlCoin/GroestlCoin,kallewoof/bitcoin,jambolo/bitcoin,ElementsProject/elements,namecoin/namecore,EthanHeilman/bitcoin,anditto/bitcoin,namecoin/namecore,achow101/bitcoin,ElementsProject/elements,ajtowns/bitcoin,sstone/bitcoin,jnewbery/bitcoin,MeshCollider/bitcoin,prusnak/bitcoin,mm-s/bitcoin,mm-s/bitcoin,ajtowns/bitcoin,MeshCollider/bitcoin,mm-s/bitcoin,cdecker/bitcoin,pstratem/bitcoin,prusnak/bitcoin,namecoin/namecoin-core,jnewbery/bitcoin,practicalswift/bitcoin,ajtowns/bitcoin,qtumproject/qtum,yenliangl/bitcoin,MeshCollider/bitcoin,Xekyo/bitcoin,anditto/bitcoin,n1bor/bitcoin,sstone/bitcoin,particl/particl-core,anditto/bitcoin,achow101/bitcoin,particl/particl-core,ElementsProject/elements,jlopp/statoshi,jambolo/bitcoin,tecnovert/particl-core,pstratem/bitcoin,fanquake/bitcoin,n1bor/bitcoin,Xekyo/bitcoin,sipsorcery/bitcoin,rnicoll/bitcoin,JeremyRubin/bitcoin,kallewoof/bitcoin,fujicoin/fujicoin,bitcoinknots/bitcoin,jambolo/bitcoin,bitcoinsSG/bitcoin,Sjors/bitcoin,fujicoin/fujicoin,AkioNak/bitcoin,pstratem/bitcoin,mruddy/bitcoin,sipsorcery/bitcoin,n1bor/bitcoin,AkioNak/bitcoin,mruddy/bitcoin,yenliangl/bitcoin,achow101/bitcoin,yenliangl/bitcoin,jlopp/statoshi,lateminer/bitcoin,GroestlCoin/bitcoin,domob1812/bitcoin,cdecker/bitcoin,GroestlCoin/bitcoin,instagibbs/bitcoin,namecoin/namecore,namecoin/namecore,bitcoin/bitcoin,sstone/bitcoin,instagibbs/bitcoin,jlopp/statoshi,yenliangl/bitcoin,pstratem/bitcoin,andreaskern/bitcoin,domob1812/namecore,AkioNak/bitcoin,bitcoin/bitcoin,namecoin/namecoin-core,achow101/bitcoin,pataquets/namecoin-core,lateminer/bitcoin,JeremyRubin/bitcoin,apoelstra/bitcoin,pataquets/namecoin-core,EthanHeilman/bitcoin,EthanHeilman/bitcoin,practicalswift/bitcoin,pataquets/namecoin-core,apoelstra/bitcoin,JeremyRubin/bitcoin,mruddy/bitcoin,JeremyRubin/bitcoin,particl/particl-core,particl/particl-core,ajtowns/bitcoin,pataquets/namecoin-core,fanquake/bitcoin,GroestlCoin/GroestlCoin,EthanHeilman/bitcoin,JeremyRubin/bitcoin,rnicoll/bitcoin,lateminer/bitcoin,mm-s/bitcoin,dscotese/bitcoin,mruddy/bitcoin,mm-s/bitcoin,namecoin/namecoin-core,ElementsProject/elements,apoelstra/bitcoin,dscotese/bitcoin,MeshCollider/bitcoin,apoelstra/bitcoin,AkioNak/bitcoin,anditto/bitcoin,cdecker/bitcoin,mruddy/bitcoin,achow101/bitcoin,n1bor/bitcoin,anditto/bitcoin,cdecker/bitcoin,yenliangl/bitcoin,andreaskern/bitcoin,kallewoof/bitcoin,instagibbs/bitcoin,jamesob/bitcoin,ElementsProject/elements,namecoin/namecoin-core