[wallet] restore coinbase check in SubmitMemoryPoolAndRelay()
[wallet] restore coinbase check in SubmitMemoryPoolAndRelay()

This check doesn't change mempool acceptance/relay behaviour, but reduces log spam.

jtimon/bitcoin,jnewbery/bitcoin,peercoin/peercoin,tecnovert/particl-core,rnicoll/dogecoin,bitcoinknots/bitcoin,FeatherCoin/Feathercoin,jtimon/bitcoin,midnightmagic/bitcoin,instagibbs/bitcoin,sstone/bitcoin,lateminer/bitcoin,EthanHeilman/bitcoin,jonasschnelli/bitcoin,bitcoin/bitcoin,qtumproject/qtum,alecalve/bitcoin,kallewoof/bitcoin,wellenreiter01/Feathercoin,EthanHeilman/bitcoin,FeatherCoin/Feathercoin,anditto/bitcoin,mruddy/bitcoin,FeatherCoin/Feathercoin,FeatherCoin/Feathercoin,namecoin/namecoin-core,yenliangl/bitcoin,CryptArc/bitcoin,prusnak/bitcoin,cdecker/bitcoin,ahmedbodi/vertcoin,jamesob/bitcoin,GroestlCoin/GroestlCoin,jambolo/bitcoin,yenliangl/bitcoin,lateminer/bitcoin,litecoin-project/litecoin,AkioNak/bitcoin,bitcoinknots/bitcoin,monacoinproject/monacoin,domob1812/namecore,mm-s/bitcoin,bitcoin/bitcoin,jamesob/bitcoin,dscotese/bitcoin,vertcoin/vertcoin,kallewoof/bitcoin,lateminer/bitcoin,JeremyRubin/bitcoin,ajtowns/bitcoin,kallewoof/bitcoin,GroestlCoin/GroestlCoin,n1bor/bitcoin,ajtowns/bitcoin,prusnak/bitcoin,andreaskern/bitcoin,litecoin-project/litecoin,qtumproject/qtum,GroestlCoin/GroestlCoin,mm-s/bitcoin,MeshCollider/bitcoin,ajtowns/bitcoin,jlopp/statoshi,particl/particl-core,mitchellcash/bitcoin,Xekyo/bitcoin,pstratem/bitcoin,rnicoll/bitcoin,MeshCollider/bitcoin,litecoin-project/litecoin,cdecker/bitcoin,Sjors/bitcoin,ajtowns/bitcoin,particl/particl-core,MeshCollider/bitcoin,CryptArc/bitcoin,mitchellcash/bitcoin,jlopp/statoshi,ElementsProject/elements,GroestlCoin/GroestlCoin,GroestlCoin/bitcoin,practicalswift/bitcoin,pstratem/bitcoin,pstratem/bitcoin,sipsorcery/bitcoin,DigitalPandacoin/pandacoin,Sjors/bitcoin,CryptArc/bitcoin,instagibbs/bitcoin,peercoin/peercoin,wellenreiter01/Feathercoin,jtimon/bitcoin,fanquake/bitcoin,namecoin/namecore,GroestlCoin/bitcoin,namecoin/namecore,jlopp/statoshi,pataquets/namecoin-core,jamesob/bitcoin,CryptArc/bitcoin,domob1812/bitcoin,monacoinproject/monacoin,cdecker/bitcoin,rnicoll/bitcoin,jambolo/bitcoin,DigitalPandacoin/pandacoin,jonasschnelli/bitcoin,MeshCollider/bitcoin,tjps/bitcoin,practicalswift/bitcoin,midnightmagic/bitcoin,tjps/bitcoin,CryptArc/bitcoin,tjps/bitcoin,dscotese/bitcoin,prusnak/bitcoin,GroestlCoin/bitcoin,dscotese/bitcoin,ahmedbodi/vertcoin,cdecker/bitcoin,gjhiggins/vcoincore,namecoin/namecoin-core,mruddy/bitcoin,alecalve/bitcoin,jnewbery/bitcoin,peercoin/peercoin,namecoin/namecoin-core,Xekyo/bitcoin,AkioNak/bitcoin,practicalswift/bitcoin,mitchellcash/bitcoin,yenliangl/bitcoin,dscotese/bitcoin,tecnovert/particl-core,ElementsProject/elements,pstratem/bitcoin,jonasschnelli/bitcoin,DigitalPandacoin/pandacoin,jonasschnelli/bitcoin,MarcoFalke/bitcoin,jlopp/statoshi,DigitalPandacoin/pandacoin,achow101/bitcoin,nikkitan/bitcoin,anditto/bitcoin,jonasschnelli/bitcoin,jamesob/bitcoin,FeatherCoin/Feathercoin,JeremyRubin/bitcoin,peercoin/peercoin,namecoin/namecore,mm-s/bitcoin,alecalve/bitcoin,practicalswift/bitcoin,nikkitan/bitcoin,wellenreiter01/Feathercoin,n1bor/bitcoin,jlopp/statoshi,bitcoin/bitcoin,prusnak/bitcoin,Xekyo/bitcoin,monacoinproject/monacoin,jamesob/bitcoin,ajtowns/bitcoin,vertcoin/vertcoin,jambolo/bitcoin,instagibbs/bitcoin,qtumproject/qtum,kallewoof/bitcoin,domob1812/namecore,cdecker/bitcoin,peercoin/peercoin,ajtowns/bitcoin,FeatherCoin/Feathercoin,midnightmagic/bitcoin,achow101/bitcoin,domob1812/bitcoin,sstone/bitcoin,jnewbery/bitcoin,mruddy/bitcoin,Sjors/bitcoin,MarcoFalke/bitcoin,domob1812/namecore,peercoin/peercoin,pataquets/namecoin-core,jambolo/bitcoin,practicalswift/bitcoin,anditto/bitcoin,dscotese/bitcoin,tecnovert/particl-core,ahmedbodi/vertcoin,midnightmagic/bitcoin,prusnak/bitcoin,mruddy/bitcoin,mruddy/bitcoin,alecalve/bitcoin,fujicoin/fujicoin,pstratem/bitcoin,instagibbs/bitcoin,EthanHeilman/bitcoin,nikkitan/bitcoin,mitchellcash/bitcoin,tjps/bitcoin,Xekyo/bitcoin,wellenreiter01/Feathercoin,bitcoinknots/bitcoin,instagibbs/bitcoin,apoelstra/bitcoin,yenliangl/bitcoin,GroestlCoin/bitcoin,bitcoinsSG/bitcoin,Sjors/bitcoin,jtimon/bitcoin,mruddy/bitcoin,bitcoinsSG/bitcoin,GroestlCoin/GroestlCoin,EthanHeilman/bitcoin,monacoinproject/monacoin,fujicoin/fujicoin,alecalve/bitcoin,mitchellcash/bitcoin,dscotese/bitcoin,achow101/bitcoin,fujicoin/fujicoin,andreaskern/bitcoin,instagibbs/bitcoin,gjhiggins/vcoincore,lateminer/bitcoin,andreaskern/bitcoin,sipsorcery/bitcoin,monacoinproject/monacoin,nikkitan/bitcoin,prusnak/bitcoin,fujicoin/fujicoin,vertcoin/vertcoin,achow101/bitcoin,bitcoin/bitcoin,pataquets/namecoin-core,vertcoin/vertcoin,ElementsProject/elements,namecoin/namecoin-core,pataquets/namecoin-core,ElementsProject/elements,sipsorcery/bitcoin,particl/particl-core,sipsorcery/bitcoin,MarcoFalke/bitcoin,n1bor/bitcoin,n1bor/bitcoin,jtimon/bitcoin,vertcoin/vertcoin,gjhiggins/vcoincore,JeremyRubin/bitcoin,qtumproject/qtum,sstone/bitcoin,EthanHeilman/bitcoin,mm-s/bitcoin,tjps/bitcoin,gjhiggins/vcoincore,litecoin-project/litecoin,nikkitan/bitcoin,jtimon/bitcoin,tjps/bitcoin,AkioNak/bitcoin,namecoin/namecore,sstone/bitcoin,rnicoll/dogecoin,CryptArc/bitcoin,mitchellcash/bitcoin,apoelstra/bitcoin,n1bor/bitcoin,Sjors/bitcoin,rnicoll/bitcoin,wellenreiter01/Feathercoin,andreaskern/bitcoin,particl/particl-core,andreaskern/bitcoin,achow101/bitcoin,wellenreiter01/Feathercoin,rnicoll/bitcoin,namecoin/namecoin-core,fanquake/bitcoin,pataquets/namecoin-core,rnicoll/dogecoin,litecoin-project/litecoin,rnicoll/bitcoin,JeremyRubin/bitcoin,fanquake/bitcoin,AkioNak/bitcoin,ElementsProject/elements,bitcoinsSG/bitcoin,AkioNak/bitcoin,jlopp/statoshi,anditto/bitcoin,Xekyo/bitcoin,domob1812/namecore,jambolo/bitcoin,jamesob/bitcoin,fanquake/bitcoin,kallewoof/bitcoin,domob1812/namecore,MarcoFalke/bitcoin,litecoin-project/litecoin,DigitalPandacoin/pandacoin,jnewbery/bitcoin,bitcoinsSG/bitcoin,midnightmagic/bitcoin,practicalswift/bitcoin,pstratem/bitcoin,mm-s/bitcoin,apoelstra/bitcoin,gjhiggins/vcoincore,sipsorcery/bitcoin,apoelstra/bitcoin,rnicoll/dogecoin,midnightmagic/bitcoin,namecoin/namecoin-core,nikkitan/bitcoin,MarcoFalke/bitcoin,bitcoin/bitcoin,domob1812/namecore,anditto/bitcoin,bitcoin/bitcoin,fanquake/bitcoin,bitcoinsSG/bitcoin,anditto/bitcoin,rnicoll/dogecoin,AkioNak/bitcoin,yenliangl/bitcoin,Xekyo/bitcoin,DigitalPandacoin/pandacoin,fanquake/bitcoin,pataquets/namecoin-core,monacoinproject/monacoin,qtumproject/qtum,namecoin/namecore,GroestlCoin/bitcoin,ElementsProject/elements,cdecker/bitcoin,MeshCollider/bitcoin,ahmedbodi/vertcoin,sstone/bitcoin,bitcoinsSG/bitcoin,lateminer/bitcoin,vertcoin/vertcoin,tecnovert/particl-core,namecoin/namecore,qtumproject/qtum,MeshCollider/bitcoin,domob1812/bitcoin,andreaskern/bitcoin,bitcoinknots/bitcoin,ahmedbodi/vertcoin,tecnovert/particl-core,qtumproject/qtum,kallewoof/bitcoin,sipsorcery/bitcoin,domob1812/bitcoin,bitcoinknots/bitcoin,MarcoFalke/bitcoin,yenliangl/bitcoin,mm-s/bitcoin,fujicoin/fujicoin,tecnovert/particl-core,EthanHeilman/bitcoin,rnicoll/bitcoin,JeremyRubin/bitcoin,domob1812/bitcoin,domob1812/bitcoin,particl/particl-core,alecalve/bitcoin,n1bor/bitcoin,GroestlCoin/bitcoin,GroestlCoin/GroestlCoin,JeremyRubin/bitcoin,achow101/bitcoin,ahmedbodi/vertcoin,apoelstra/bitcoin,jnewbery/bitcoin,sstone/bitcoin,apoelstra/bitcoin,lateminer/bitcoin,particl/particl-core,fujicoin/fujicoin,gjhiggins/vcoincore,jambolo/bitcoin