guix: Remove dead links from README.
guix: Remove dead links from README.

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