pbft: comment cleanup
pbft: comment cleanup

Signed-off-by: Simon Schubert <51a3d642c59e957126c8c9975e756dadd0226d4c@zurich.ibm.com>

srderson/fabric,ghaskins/obc-peer,ariccy/fabric,angrbrd/fabric,andresgaragiola/fabric,bren3582/fabric,gromeroar/fabric,isghe/obc-peer,srderson/fabric,popldo/fabric,gongsu832/obc-peer,rameshthoomu/obc-peer,srderson/fabric,gromeroar/fabric,hyperledger-archives/fabric,bburgdave/fabric,murali-katipalli-dtcc/fabric,angrbrd/fabric,JonathanLevi/fabric,murali-katipalli-dtcc/fabric,popldo/fabric,adecaro/fabric,bren3582/fabric,popldo/fabric,ariccy/fabric,ariccy/fabric,ghaskins/obc-peer,itp4IBM/fabric,JonathanLevi/fabric,tenc/obc-peer-pre-public,JonathanLevi/fabric,ahuachen/fabric,binhn/obc-peer,angrbrd/fabric,hyperledger-archives/fabric,bburgdave/fabric,ahuachen/fabric,tenc/obc-peer-pre-public,bburgdave/fabric,bren3582/fabric,gongsu832/fabric,ahuachen/fabric,sumanair/obc-peer,bburgdave/fabric,bren3582/fabric,jjjjibm/fabric,openblockchain/obc-peer,openblockchain/obc-peer,adecaro/fabric,jjjjibm/fabric,hyperledger-archives/fabric,isghe/obc-peer,sumanair/obc-peer,tenc/obc-peer-pre-public,itp4IBM/fabric,andresgaragiola/fabric,andresgaragiola/fabric,gromeroar/fabric,gromeroar/fabric,bren3582/fabric,ariccy/fabric,binhn/obc-peer,isghe/obc-peer,ariccy/fabric,tuand27613/fabric,isghe/obc-peer,hyperledger-archives/fabric,adecaro/fabric,murali-katipalli-dtcc/fabric,tuand27613/obc-peer,sumanair/obc-peer,jjjjibm/fabric,jjjjibm/fabric,tuand27613/fabric,ariccy/fabric,tuand27613/obc-peer,itp4IBM/fabric,andresgaragiola/fabric,ahuachen/fabric,gongsu832/obc-peer,srderson/fabric,gromeroar/fabric,rameshthoomu/obc-peer,rameshthoomu/obc-peer,gennadylaventman/fabric,tuand27613/fabric,ghaskins/obc-peer,adecaro/fabric,ahuachen/fabric,gennadylaventman/fabric,jjjjibm/fabric,noamher/obc-peer,adecaro/fabric,andresgaragiola/fabric,popldo/fabric,angrbrd/fabric,srderson/fabric,itp4IBM/fabric,tenc/obc-peer-pre-public,murali-katipalli-dtcc/fabric,murali-katipalli-dtcc/fabric,gromeroar/fabric,tuand27613/fabric,JonathanLevi/fabric,hyperledger-archives/fabric,jjjjibm/fabric,gromeroar/fabric,bren3582/fabric,murali-katipalli-dtcc/fabric,andresgaragiola/fabric,gongsu832/fabric,openblockchain/obc-peer,ariccy/fabric,gennadylaventman/fabric,gennadylaventman/fabric,angrbrd/fabric,itp4IBM/fabric,gennadylaventman/fabric,itp4IBM/fabric,popldo/fabric,gennadylaventman/fabric,ahuachen/fabric,adecaro/fabric,adecaro/fabric,itp4IBM/fabric,hyperledger-archives/fabric,hyperledger-archives/fabric,andresgaragiola/fabric,JonathanLevi/fabric,ahuachen/fabric,bburgdave/fabric,tuand27613/fabric,tuand27613/fabric,tuand27613/fabric,noamher/obc-peer,tuand27613/obc-peer,popldo/fabric,gongsu832/obc-peer,angrbrd/fabric,bren3582/fabric,popldo/fabric,noamher/obc-peer,srderson/fabric,gennadylaventman/fabric,ghaskins/obc-peer,JonathanLevi/fabric,gongsu832/fabric,murali-katipalli-dtcc/fabric,gongsu832/fabric,isghe/obc-peer,srderson/fabric,angrbrd/fabric,binhn/obc-peer,JonathanLevi/fabric,jjjjibm/fabric