http: Remove WaitExit from WorkQueue
http: Remove WaitExit from WorkQueue

This function, which waits for all threads to exit, is no longer needed
now that threads are joined instead.

Signed-off-by: Wladimir J. van der Laan <bbc07dc96bb50bf6868a2ddfc4dae14fbed703d9@gmail.com>

domob1812/namecore,Xekyo/bitcoin,achow101/bitcoin,jlopp/statoshi,randy-waterhouse/bitcoin,pataquets/namecoin-core,rawodb/bitcoin,jonasschnelli/bitcoin,ericshawlinux/bitcoin,sebrandon1/bitcoin,joshrabinowitz/bitcoin,GlobalBoost/GlobalBoost,sebrandon1/bitcoin,untrustbank/litecoin,domob1812/huntercore,stamhe/bitcoin,pstratem/bitcoin,Kogser/bitcoin,untrustbank/litecoin,BTCGPU/BTCGPU,qtumproject/qtum,monacoinproject/monacoin,alecalve/bitcoin,GroestlCoin/GroestlCoin,EthanHeilman/bitcoin,MeshCollider/bitcoin,GroestlCoin/GroestlCoin,monacoinproject/monacoin,rnicoll/dogecoin,monacoinproject/monacoin,RHavar/bitcoin,lateminer/bitcoin,kallewoof/bitcoin,gjhiggins/vcoincore,ajtowns/bitcoin,jmcorgan/bitcoin,litecoin-project/litecoin,DigitalPandacoin/pandacoin,anditto/bitcoin,vertcoin/vertcoin,yenliangl/bitcoin,prusnak/bitcoin,wellenreiter01/Feathercoin,sebrandon1/bitcoin,ryanofsky/bitcoin,sebrandon1/bitcoin,ajtowns/bitcoin,Christewart/bitcoin,bitcoinsSG/bitcoin,vmp32k/litecoin,myriadcoin/myriadcoin,fujicoin/fujicoin,tecnovert/particl-core,rnicoll/dogecoin,AkioNak/bitcoin,domob1812/bitcoin,afk11/bitcoin,guncoin/guncoin,mm-s/bitcoin,kazcw/bitcoin,donaloconnor/bitcoin,fujicoin/fujicoin,gjhiggins/vcoincore,domob1812/bitcoin,vmp32k/litecoin,joshrabinowitz/bitcoin,rnicoll/dogecoin,afk11/bitcoin,domob1812/huntercore,bitcoin/bitcoin,h4x3rotab/BTCGPU,domob1812/namecore,guncoin/guncoin,tjps/bitcoin,kazcw/bitcoin,monacoinproject/monacoin,Sjors/bitcoin,rnicoll/bitcoin,Kogser/bitcoin,vertcoin/vertcoin,tecnovert/particl-core,GlobalBoost/GlobalBoost,ElementsProject/elements,stamhe/bitcoin,jtimon/bitcoin,jamesob/bitcoin,ryanofsky/bitcoin,instagibbs/bitcoin,ElementsProject/elements,ryanofsky/bitcoin,bitcoinsSG/bitcoin,jtimon/bitcoin,n1bor/bitcoin,Bushstar/UFO-Project,particl/particl-core,droark/bitcoin,prusnak/bitcoin,mm-s/bitcoin,bespike/litecoin,jonasschnelli/bitcoin,randy-waterhouse/bitcoin,TheBlueMatt/bitcoin,droark/bitcoin,instagibbs/bitcoin,FeatherCoin/Feathercoin,bitcoinknots/bitcoin,joshrabinowitz/bitcoin,peercoin/peercoin,fujicoin/fujicoin,namecoin/namecore,sebrandon1/bitcoin,Sjors/bitcoin,fanquake/bitcoin,EthanHeilman/bitcoin,sstone/bitcoin,droark/bitcoin,ryanofsky/bitcoin,Flowdalic/bitcoin,litecoin-project/litecoin,globaltoken/globaltoken,kallewoof/bitcoin,afk11/bitcoin,joshrabinowitz/bitcoin,Xekyo/bitcoin,droark/bitcoin,thrasher-/litecoin,mitchellcash/bitcoin,n1bor/bitcoin,Christewart/bitcoin,h4x3rotab/BTCGPU,myriadteam/myriadcoin,practicalswift/bitcoin,MarcoFalke/bitcoin,mitchellcash/bitcoin,EthanHeilman/bitcoin,apoelstra/bitcoin,guncoin/guncoin,rnicoll/bitcoin,ElementsProject/elements,jambolo/bitcoin,bitcoinknots/bitcoin,kazcw/bitcoin,myriadteam/myriadcoin,DigitalPandacoin/pandacoin,kallewoof/bitcoin,guncoin/guncoin,midnightmagic/bitcoin,jlopp/statoshi,peercoin/peercoin,untrustbank/litecoin,RHavar/bitcoin,monacoinproject/monacoin,wellenreiter01/Feathercoin,mitchellcash/bitcoin,sipsorcery/bitcoin,nikkitan/bitcoin,mm-s/bitcoin,jnewbery/bitcoin,nikkitan/bitcoin,FeatherCoin/Feathercoin,particl/particl-core,Christewart/bitcoin,DigitalPandacoin/pandacoin,namecoin/namecoin-core,lateminer/bitcoin,thrasher-/litecoin,namecoin/namecore,jamesob/bitcoin,digibyte/digibyte,apoelstra/bitcoin,digibyte/digibyte,domob1812/namecore,myriadcoin/myriadcoin,r8921039/bitcoin,kallewoof/bitcoin,jambolo/bitcoin,thrasher-/litecoin,BTCGPU/BTCGPU,TheBlueMatt/bitcoin,mruddy/bitcoin,sstone/bitcoin,OmniLayer/omnicore,rnicoll/bitcoin,GroestlCoin/GroestlCoin,digibyte/digibyte,randy-waterhouse/bitcoin,anditto/bitcoin,lbryio/lbrycrd,BTCGPU/BTCGPU,joshrabinowitz/bitcoin,ericshawlinux/bitcoin,lbryio/lbrycrd,cdecker/bitcoin,bitcoinknots/bitcoin,pstratem/bitcoin,anditto/bitcoin,MarcoFalke/bitcoin,jonasschnelli/bitcoin,ryanofsky/bitcoin,OmniLayer/omnicore,Christewart/bitcoin,fanquake/bitcoin,lbryio/lbrycrd,vmp32k/litecoin,jmcorgan/bitcoin,fanquake/bitcoin,jamesob/bitcoin,nikkitan/bitcoin,bitcoinknots/bitcoin,EthanHeilman/bitcoin,pataquets/namecoin-core,ajtowns/bitcoin,lbryio/lbrycrd,globaltoken/globaltoken,randy-waterhouse/bitcoin,particl/particl-core,Kogser/bitcoin,DigitalPandacoin/pandacoin,instagibbs/bitcoin,sipsorcery/bitcoin,MarcoFalke/bitcoin,jonasschnelli/bitcoin,lateminer/bitcoin,paveljanik/bitcoin,dscotese/bitcoin,Kogser/bitcoin,dscotese/bitcoin,TheBlueMatt/bitcoin,MeshCollider/bitcoin,namecoin/namecore,jamesob/bitcoin,h4x3rotab/BTCGPU,pataquets/namecoin-core,GroestlCoin/bitcoin,cdecker/bitcoin,vmp32k/litecoin,rnicoll/bitcoin,namecoin/namecoin-core,OmniLayer/omnicore,bitcoin/bitcoin,sipsorcery/bitcoin,jmcorgan/bitcoin,yenliangl/bitcoin,digibyte/digibyte,donaloconnor/bitcoin,Sjors/bitcoin,litecoin-project/litecoin,wellenreiter01/Feathercoin,yenliangl/bitcoin,GroestlCoin/bitcoin,guncoin/guncoin,anditto/bitcoin,prusnak/bitcoin,jonasschnelli/bitcoin,FeatherCoin/Feathercoin,practicalswift/bitcoin,domob1812/huntercore,Xekyo/bitcoin,jamesob/bitcoin,domob1812/namecore,ericshawlinux/bitcoin,domob1812/bitcoin,lbryio/lbrycrd,bespike/litecoin,namecoin/namecore,litecoin-project/litecoin,achow101/bitcoin,donaloconnor/bitcoin,AkioNak/bitcoin,gjhiggins/vcoincore,fujicoin/fujicoin,jambolo/bitcoin,mm-s/bitcoin,afk11/bitcoin,DigitalPandacoin/pandacoin,practicalswift/bitcoin,pstratem/bitcoin,MeshCollider/bitcoin,andreaskern/bitcoin,mruddy/bitcoin,OmniLayer/omnicore,achow101/bitcoin,jtimon/bitcoin,JeremyRubin/bitcoin,Sjors/bitcoin,ElementsProject/elements,MarcoFalke/bitcoin,namecoin/namecore,JeremyRubin/bitcoin,ajtowns/bitcoin,tjps/bitcoin,qtumproject/qtum,qtumproject/qtum,bitcoin/bitcoin,EthanHeilman/bitcoin,vertcoin/vertcoin,stamhe/bitcoin,bespike/litecoin,instagibbs/bitcoin,Flowdalic/bitcoin,qtumproject/qtum,fujicoin/fujicoin,vertcoin/vertcoin,jambolo/bitcoin,MarcoFalke/bitcoin,sipsorcery/bitcoin,Kogser/bitcoin,sebrandon1/bitcoin,rawodb/bitcoin,FeatherCoin/Feathercoin,h4x3rotab/BTCGPU,thrasher-/litecoin,untrustbank/litecoin,rawodb/bitcoin,myriadcoin/myriadcoin,GlobalBoost/GlobalBoost,sipsorcery/bitcoin,ericshawlinux/bitcoin,namecoin/namecoin-core,OmniLayer/omnicore,midnightmagic/bitcoin,particl/particl-core,rnicoll/bitcoin,sipsorcery/bitcoin,domob1812/bitcoin,ericshawlinux/bitcoin,prusnak/bitcoin,jtimon/bitcoin,instagibbs/bitcoin,fanquake/bitcoin,RHavar/bitcoin,fanquake/bitcoin,lbryio/lbrycrd,andreaskern/bitcoin,Xekyo/bitcoin,tjps/bitcoin,andreaskern/bitcoin,Kogser/bitcoin,andreaskern/bitcoin,thrasher-/litecoin,particl/particl-core,CryptArc/bitcoin,globaltoken/globaltoken,CryptArc/bitcoin,sstone/bitcoin,vmp32k/litecoin,prusnak/bitcoin,GroestlCoin/bitcoin,globaltoken/globaltoken,kazcw/bitcoin,practicalswift/bitcoin,jmcorgan/bitcoin,domob1812/huntercore,alecalve/bitcoin,GroestlCoin/GroestlCoin,anditto/bitcoin,myriadcoin/myriadcoin,n1bor/bitcoin,MeshCollider/bitcoin,AkioNak/bitcoin,lateminer/bitcoin,ahmedbodi/vertcoin,yenliangl/bitcoin,AkioNak/bitcoin,Bushstar/UFO-Project,guncoin/guncoin,mruddy/bitcoin,FeatherCoin/Feathercoin,litecoin-project/litecoin,GlobalBoost/GlobalBoost,randy-waterhouse/bitcoin,peercoin/peercoin,pataquets/namecoin-core,yenliangl/bitcoin,droark/bitcoin,achow101/bitcoin,tecnovert/particl-core,monacoinproject/monacoin,stamhe/bitcoin,bitcoin/bitcoin,afk11/bitcoin,Bushstar/UFO-Project,BTCGPU/BTCGPU,ericshawlinux/bitcoin,mitchellcash/bitcoin,rawodb/bitcoin,domob1812/huntercore,jtimon/bitcoin,n1bor/bitcoin,nikkitan/bitcoin,lateminer/bitcoin,particl/particl-core,bitcoinsSG/bitcoin,Bushstar/UFO-Project,myriadcoin/myriadcoin,JeremyRubin/bitcoin,qtumproject/qtum,midnightmagic/bitcoin,jnewbery/bitcoin,bitcoin/bitcoin,AkioNak/bitcoin,EthanHeilman/bitcoin,GroestlCoin/bitcoin,rnicoll/dogecoin,GlobalBoost/GlobalBoost,fanquake/bitcoin,CryptArc/bitcoin,practicalswift/bitcoin,anditto/bitcoin,paveljanik/bitcoin,midnightmagic/bitcoin,cdecker/bitcoin,jlopp/statoshi,wellenreiter01/Feathercoin,myriadteam/myriadcoin,ElementsProject/elements,stamhe/bitcoin,Bushstar/UFO-Project,JeremyRubin/bitcoin,bespike/litecoin,namecoin/namecore,apoelstra/bitcoin,Xekyo/bitcoin,Flowdalic/bitcoin,bitcoinknots/bitcoin,RHavar/bitcoin,ahmedbodi/vertcoin,AkioNak/bitcoin,apoelstra/bitcoin,GroestlCoin/GroestlCoin,r8921039/bitcoin,BTCGPU/BTCGPU,jambolo/bitcoin,bitcoin/bitcoin,bespike/litecoin,BTCGPU/BTCGPU,kallewoof/bitcoin,paveljanik/bitcoin,Kogser/bitcoin,globaltoken/globaltoken,peercoin/peercoin,DigitalPandacoin/pandacoin,dscotese/bitcoin,Bushstar/UFO-Project,donaloconnor/bitcoin,pataquets/namecoin-core,digibyte/digibyte,lbryio/lbrycrd,achow101/bitcoin,kallewoof/bitcoin,afk11/bitcoin,prusnak/bitcoin,vertcoin/vertcoin,donaloconnor/bitcoin,GroestlCoin/GroestlCoin,domob1812/bitcoin,jnewbery/bitcoin,nikkitan/bitcoin,joshrabinowitz/bitcoin,MarcoFalke/bitcoin,Kogser/bitcoin,GlobalBoost/GlobalBoost,achow101/bitcoin,CryptArc/bitcoin,TheBlueMatt/bitcoin,kazcw/bitcoin,mitchellcash/bitcoin,alecalve/bitcoin,rawodb/bitcoin,ahmedbodi/vertcoin,peercoin/peercoin,bitcoinsSG/bitcoin,Christewart/bitcoin,vmp32k/litecoin,andreaskern/bitcoin,GlobalBoost/GlobalBoost,Xekyo/bitcoin,untrustbank/litecoin,donaloconnor/bitcoin,apoelstra/bitcoin,vertcoin/vertcoin,globaltoken/globaltoken,jmcorgan/bitcoin,jlopp/statoshi,gjhiggins/vcoincore,wellenreiter01/Feathercoin,JeremyRubin/bitcoin,stamhe/bitcoin,wellenreiter01/Feathercoin,FeatherCoin/Feathercoin,jambolo/bitcoin,dscotese/bitcoin,dscotese/bitcoin,GroestlCoin/bitcoin,pataquets/namecoin-core,myriadteam/myriadcoin,paveljanik/bitcoin,domob1812/bitcoin,tjps/bitcoin,CryptArc/bitcoin,domob1812/namecore,andreaskern/bitcoin,tecnovert/particl-core,thrasher-/litecoin,r8921039/bitcoin,peercoin/peercoin,bitcoinsSG/bitcoin,Christewart/bitcoin,pstratem/bitcoin,mm-s/bitcoin,dscotese/bitcoin,mruddy/bitcoin,ajtowns/bitcoin,pstratem/bitcoin,ElementsProject/elements,litecoin-project/litecoin,h4x3rotab/BTCGPU,midnightmagic/bitcoin,myriadteam/myriadcoin,r8921039/bitcoin,CryptArc/bitcoin,rnicoll/dogecoin,sstone/bitcoin,namecoin/namecoin-core,OmniLayer/omnicore,namecoin/namecoin-core,tecnovert/particl-core,kazcw/bitcoin,tjps/bitcoin,MeshCollider/bitcoin,gjhiggins/vcoincore,sstone/bitcoin,Kogser/bitcoin,myriadteam/myriadcoin,jmcorgan/bitcoin,tecnovert/particl-core,bitcoinsSG/bitcoin,ahmedbodi/vertcoin,lateminer/bitcoin,mitchellcash/bitcoin,jnewbery/bitcoin,n1bor/bitcoin,TheBlueMatt/bitcoin,Sjors/bitcoin,paveljanik/bitcoin,ahmedbodi/vertcoin,practicalswift/bitcoin,untrustbank/litecoin,gjhiggins/vcoincore,mm-s/bitcoin,fujicoin/fujicoin,cdecker/bitcoin,myriadcoin/myriadcoin,paveljanik/bitcoin,digibyte/digibyte,droark/bitcoin,Kogser/bitcoin,jnewbery/bitcoin,Kogser/bitcoin,rnicoll/bitcoin,alecalve/bitcoin,randy-waterhouse/bitcoin,n1bor/bitcoin,midnightmagic/bitcoin,r8921039/bitcoin,domob1812/huntercore,mruddy/bitcoin,ryanofsky/bitcoin,sstone/bitcoin,mruddy/bitcoin,instagibbs/bitcoin,nikkitan/bitcoin,alecalve/bitcoin,RHavar/bitcoin,qtumproject/qtum,qtumproject/qtum,JeremyRubin/bitcoin,MeshCollider/bitcoin,h4x3rotab/BTCGPU,bespike/litecoin,apoelstra/bitcoin,GroestlCoin/bitcoin,Flowdalic/bitcoin,Flowdalic/bitcoin,namecoin/namecoin-core,ajtowns/bitcoin,jlopp/statoshi,domob1812/namecore,jtimon/bitcoin,TheBlueMatt/bitcoin,Kogser/bitcoin,pstratem/bitcoin,tjps/bitcoin,yenliangl/bitcoin,RHavar/bitcoin,alecalve/bitcoin,ahmedbodi/vertcoin,cdecker/bitcoin,jlopp/statoshi,Flowdalic/bitcoin,r8921039/bitcoin,cdecker/bitcoin,rawodb/bitcoin,jamesob/bitcoin