remove events nobody uses...?
remove events nobody uses...?

davidfraser/sqlalchemy,wfxiang08/sqlalchemy,276361270/sqlalchemy,bootandy/sqlalchemy,wujuguang/sqlalchemy,wfxiang08/sqlalchemy,dstufft/sqlalchemy,ThiefMaster/sqlalchemy,elelianghh/sqlalchemy,sandan/sqlalchemy,davidjb/sqlalchemy,hsum/sqlalchemy,Akrog/sqlalchemy,pdufour/sqlalchemy,graingert/sqlalchemy,graingert/sqlalchemy,Akrog/sqlalchemy,davidjb/sqlalchemy,bdupharm/sqlalchemy,elelianghh/sqlalchemy,zzzeek/sqlalchemy,276361270/sqlalchemy,epa/sqlalchemy,robin900/sqlalchemy,davidfraser/sqlalchemy,WinterNis/sqlalchemy,ThiefMaster/sqlalchemy,monetate/sqlalchemy,brianv0/sqlalchemy,EvaSDK/sqlalchemy,brianv0/sqlalchemy,j5int/sqlalchemy,WinterNis/sqlalchemy,halfcrazy/sqlalchemy,bdupharm/sqlalchemy,inspirehep/sqlalchemy,itkovian/sqlalchemy,dstufft/sqlalchemy,robin900/sqlalchemy,hsum/sqlalchemy,olemis/sqlalchemy,sandan/sqlalchemy,halfcrazy/sqlalchemy,bootandy/sqlalchemy,pdufour/sqlalchemy,EvaSDK/sqlalchemy,monetate/sqlalchemy,olemis/sqlalchemy,sqlalchemy/sqlalchemy,j5int/sqlalchemy,inspirehep/sqlalchemy,epa/sqlalchemy,wujuguang/sqlalchemy,itkovian/sqlalchemy