build: remove unused MSVC defines
build: remove unused MSVC defines

Most of these aren't unused in the codebase at all, let alone for MSVC.

ajtowns/bitcoin,bitcoinsSG/bitcoin,sstone/bitcoin,kallewoof/bitcoin,tecnovert/particl-core,AkioNak/bitcoin,jambolo/bitcoin,jambolo/bitcoin,tecnovert/particl-core,sstone/bitcoin,jambolo/bitcoin,sstone/bitcoin,bitcoin/bitcoin,bitcoin/bitcoin,bitcoinsSG/bitcoin,fanquake/bitcoin,tecnovert/particl-core,bitcoinsSG/bitcoin,namecoin/namecoin-core,ajtowns/bitcoin,fanquake/bitcoin,jambolo/bitcoin,ajtowns/bitcoin,AkioNak/bitcoin,mruddy/bitcoin,mruddy/bitcoin,namecoin/namecoin-core,kallewoof/bitcoin,bitcoinsSG/bitcoin,sstone/bitcoin,fanquake/bitcoin,namecoin/namecoin-core,bitcoin/bitcoin,particl/particl-core,sstone/bitcoin,kallewoof/bitcoin,jambolo/bitcoin,ajtowns/bitcoin,mruddy/bitcoin,kallewoof/bitcoin,AkioNak/bitcoin,mruddy/bitcoin,bitcoin/bitcoin,sipsorcery/bitcoin,sipsorcery/bitcoin,fanquake/bitcoin,kallewoof/bitcoin,particl/particl-core,lateminer/bitcoin,kallewoof/bitcoin,particl/particl-core,ajtowns/bitcoin,lateminer/bitcoin,bitcoinsSG/bitcoin,namecoin/namecoin-core,sipsorcery/bitcoin,sstone/bitcoin,bitcoin/bitcoin,lateminer/bitcoin,lateminer/bitcoin,AkioNak/bitcoin,mruddy/bitcoin,sipsorcery/bitcoin,particl/particl-core,bitcoin/bitcoin,bitcoinsSG/bitcoin,AkioNak/bitcoin,ajtowns/bitcoin,namecoin/namecoin-core,lateminer/bitcoin,tecnovert/particl-core,lateminer/bitcoin,fanquake/bitcoin,particl/particl-core,fanquake/bitcoin,jambolo/bitcoin,sipsorcery/bitcoin,sipsorcery/bitcoin,namecoin/namecoin-core,tecnovert/particl-core,AkioNak/bitcoin,particl/particl-core,mruddy/bitcoin,tecnovert/particl-core