test: use MiniWallet for p2p_blocksonly.py
test: use MiniWallet for p2p_blocksonly.py

This test can now be run even with the Bitcoin Core wallet disabled.

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