Remove unused ex local variable from event.rb
Remove unused ex local variable from event.rb

sekcheong/gitlabhq,DanielZhangQingLong/gitlabhq,ZeoAlliance/gitlabhq,manfer/gitlabhq,Soullivaneuh/gitlabhq,pulkit21/gitlabhq,cinderblock/gitlabhq,yatish27/gitlabhq,lvfeng1130/gitlabhq,bozaro/gitlabhq,yuyue2013/ss,revaret/gitlabhq,openwide-java/gitlabhq,OtkurBiz/gitlabhq,fendoudeqingchunhh/gitlabhq,chenrui2014/gitlabhq,ordiychen/gitlabhq,nguyen-tien-mulodo/gitlabhq,it33/gitlabhq,tim-hoff/gitlabhq,tim-hoff/gitlabhq,DanielZhangQingLong/gitlabhq,martijnvermaat/gitlabhq,htve/GitlabForChinese,koreamic/gitlabhq,Burick/gitlabhq,fpgentil/gitlabhq,sonalkr132/gitlabhq,ttasanen/gitlabhq,chenrui2014/gitlabhq,SVArago/gitlabhq,louahola/gitlabhq,ibiart/gitlabhq,yatish27/gitlabhq,martinma4/gitlabhq,TheWatcher/gitlabhq,jirutka/gitlabhq,k4zzk/gitlabhq,mrb/gitlabhq,cinderblock/gitlabhq,zBMNForks/gitlabhq,ordiychen/gitlabhq,koreamic/gitlabhq,luzhongyang/gitlabhq,dplarson/gitlabhq,louahola/gitlabhq,flashbuckets/gitlabhq,WSDC-NITWarangal/gitlabhq,joalmeid/gitlabhq,nguyen-tien-mulodo/gitlabhq,luzhongyang/gitlabhq,luzhongyang/gitlabhq,whluwit/gitlabhq,NKMR6194/gitlabhq,jaepyoung/gitlabhq,delkyd/gitlabhq,hacsoc/gitlabhq,ayufan/gitlabhq,Devin001/gitlabhq,initiummedia/gitlabhq,sue445/gitlabhq,larryli/gitlabhq,louahola/gitlabhq,folpindo/gitlabhq,it33/gitlabhq,adaiguoguo/gitlab_globalserarch,dukex/gitlabhq,pulkit21/gitlabhq,Exeia/gitlabhq,iiet/iiet-git,tk23/gitlabhq,nmav/gitlabhq,jrjang/gitlabhq,ZeoAlliance/gitlabhq,pjknkda/gitlabhq,jirutka/gitlabhq,fearenales/gitlabhq,ttasanen/gitlabhq,bbodenmiller/gitlabhq,dplarson/gitlabhq,nmav/gitlabhq,mmkassem/gitlabhq,NARKOZ/gitlabhq,Exeia/gitlabhq,cncodog/gitlab,fpgentil/gitlabhq,wangcan2014/gitlabhq,fgbreel/gitlabhq,fendoudeqingchunhh/gitlabhq,vjustov/gitlabhq,stoplightio/gitlabhq,ksoichiro/gitlabhq,adaiguoguo/gitlab_globalserarch,ksoichiro/gitlabhq,joalmeid/gitlabhq,since2014/gitlabhq,lvfeng1130/gitlabhq,stoplightio/gitlabhq,Datacom/gitlabhq,whluwit/gitlabhq,tempbottle/gitlabhq,shinexiao/gitlabhq,hzy001/gitlabhq,fantasywind/gitlabhq,youprofit/gitlabhq,kitech/gitlabhq,chadyred/gitlabhq,sekcheong/gitlabhq,bigsurge/gitlabhq,fearenales/gitlabhq,ngpestelos/gitlabhq,Soullivaneuh/gitlabhq,copystudy/gitlabhq,theodi/gitlabhq,dwrensha/gitlabhq,ikappas/gitlabhq,pjknkda/gitlabhq,Exeia/gitlabhq,Tyrael/gitlabhq,stanhu/gitlabhq,t-zuehlsdorff/gitlabhq,kemenaran/gitlabhq,joalmeid/gitlabhq,ibiart/gitlabhq,michaKFromParis/sparkslab,manfer/gitlabhq,johnmyqin/gitlabhq,dvrylc/gitlabhq,sideci-sample/sideci-sample-gitlabhq,michaKFromParis/gitlabhqold,DanielZhangQingLong/gitlabhq,Datacom/gitlabhq,icedwater/gitlabhq,zBMNForks/gitlabhq,LytayTOUCH/gitlabhq,ferdinandrosario/gitlabhq,childbamboo/gitlabhq,mavimo/gitlabhq,daiyu/gitlab-zh,k4zzk/gitlabhq,adaiguoguo/gitlab_globalserarch,mente/gitlabhq,allysonbarros/gitlabhq,duduribeiro/gitlabhq,openwide-java/gitlabhq,dukex/gitlabhq,jrjang/gitlabhq,yatish27/gitlabhq,michaKFromParis/gitlabhq,gorgee/gitlabhq,WSDC-NITWarangal/gitlabhq,yonglehou/gitlabhq,mrb/gitlabhq,it33/gitlabhq,shinexiao/gitlabhq,ordiychen/gitlabhq,szechyjs/gitlabhq,joalmeid/gitlabhq,since2014/gitlabhq,per-garden/gitlabhq,delkyd/gitlabhq,whluwit/gitlabhq,bigsurge/gitlabhq,rhels/gitlabhq,NuLL3rr0r/gitlabhq,hzy001/gitlabhq,WSDC-NITWarangal/gitlabhq,wangcan2014/gitlabhq,axilleas/gitlabhq,SkyWei/gitlabhq,mente/gitlabhq,mavimo/gitlabhq,NuLL3rr0r/gitlabhq,fearenales/gitlabhq,kemenaran/gitlabhq,Telekom-PD/gitlabhq,salipro4ever/gitlabhq,Burick/gitlabhq,yama07/gitlabhq,yatish27/gitlabhq,yama07/gitlabhq,Exeia/gitlabhq,Telekom-PD/gitlabhq,yuyue2013/ss,dvrylc/gitlabhq,zBMNForks/gitlabhq,dukex/gitlabhq,it33/gitlabhq,ngpestelos/gitlabhq,mathstuf/gitlabhq,sonalkr132/gitlabhq,jirutka/gitlabhq,SkyWei/gitlabhq,Tyrael/gitlabhq,mente/gitlabhq,williamherry/gitlabhq,jrjang/gitlabhq,WSDC-NITWarangal/gitlabhq,cui-liqiang/gitlab-ce,julianengel/gitlabhq,icedwater/gitlabhq,williamherry/gitlabhq,koreamic/gitlabhq,Burick/gitlabhq,sonalkr132/gitlabhq,Datacom/gitlabhq,sideci-sample/sideci-sample-gitlabhq,julianengel/gitlabhq,martijnvermaat/gitlabhq,Razer6/gitlabhq,michaKFromParis/gitlabhq,Tyrael/gitlabhq,michaKFromParis/sparkslab,yama07/gitlabhq,H3Chief/gitlabhq,martinma4/gitlabhq,Datacom/gitlabhq,cinderblock/gitlabhq,tk23/gitlabhq,initiummedia/gitlabhq,mr-dxdy/gitlabhq,folpindo/gitlabhq,fscherwi/gitlabhq,hzy001/gitlabhq,NKMR6194/gitlabhq,fgbreel/gitlabhq,youprofit/gitlabhq,jrjang/gitlab-ce,cui-liqiang/gitlab-ce,H3Chief/gitlabhq,t-zuehlsdorff/gitlabhq,sue445/gitlabhq,SkyWei/gitlabhq,flashbuckets/gitlabhq,mr-dxdy/gitlabhq,htve/GitlabForChinese,openwide-java/gitlabhq,DanielZhangQingLong/gitlabhq,bozaro/gitlabhq,aaronsnyder/gitlabhq,kemenaran/gitlabhq,rhels/gitlabhq,rebecamendez/gitlabhq,duduribeiro/gitlabhq,sakishum/gitlabhq,NARKOZ/gitlabhq,ayufan/gitlabhq,OtkurBiz/gitlabhq,jaepyoung/gitlabhq,NKMR6194/gitlabhq,johnmyqin/gitlabhq,bozaro/gitlabhq,screenpages/gitlabhq,cncodog/gitlab,yfaizal/gitlabhq,duduribeiro/gitlabhq,tempbottle/gitlabhq,zrbsprite/gitlabhq,sekcheong/gitlabhq,allysonbarros/gitlabhq,hq804116393/gitlabhq,bigsurge/gitlabhq,chadyred/gi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