Remove unused 1.9.1 workaround
Remove unused 1.9.1 workaround

ducthanh/bundler,suhastech/bundler,ligi/bundler,anil826/bundler,TimMoore/bundler,asutoshpalai/bundler,masarakki/bundler,PG-kura/bundler,frsyuki/bundler,asymmetric/bundler,pivotal-cf-experimental/bundler,joshsoftware/bundler,roseweixel/bundler,philnash/bundler,sideci-sample/sideci-sample-bundler,chulkilee/bundler,Wirachmat/bundler,rkh/bundler,bundler/bundler,asutoshpalai/bundler,EasonYi/bundler,cstrahan/bundler,r7kamura/bundler,carpodaster/bundler,kohgpat/bundler,wenderjean/bundler,EthanK28/bundler,elovelan/bundler,cowboyd/bundler,wenderjean/bundler,carpodaster/bundler,zhangkuaiji/bundler,ngpestelos/bundler,mdorrance/bundler,mdorrance/bundler,dilumnavanjana/bundler,davydovanton/bundler,schaary/bundler,jingweno/bundler,jasonkarns/bundler,asymmetric/bundler,pivotal-cf-experimental/bundler,pjump/bundler,AiyionPrime/bundler,anil826/bundler,gentoo/bundler,zhangkuaiji/bundler,1337807/bundler,JuanitoFatas/bundler,eagletmt/bundler,ximus/bundler,roseweixel/bundler,EthanK28/bundler,RochesterinNYC/bundler,cdwort/bundler,simplybusiness/bundler,steved/bundler,sideci-sample/sideci-sample-bundler,agis-/bundler,h4ck3rm1k3/bundler,Eric-Guo/bundler,jingweno/bundler,jaym/bundler,robinboening/bundler,TimMoore/bundler,ligi/bundler,smlance/bundler,robinboening/bundler,tgxworld/bundler,byroot/bundler,CorainChicago/bundler,vemmaverve/bundler,elovelan/bundler,ngpestelos/bundler,simplybusiness/bundler,neslom/bundler,danimashu/bundler,agis-/bundler,bundler/bundler,RochesterinNYC/bundler,Teino1978-Corp/Teino1978-Corp-bundler,Eric-Guo/bundler,Wirachmat/bundler,mvz/bundler,chulkilee/bundler,jaym/bundler,christer155/bundler,tgxworld/bundler,ipmobiletech/bundler,seanlinsley/bundler,davydovanton/bundler,PG-kura/bundler,AiyionPrime/bundler,suhastech/bundler,dilumnavanjana/bundler,mpapis/bundler,joshsoftware/bundler,bronzdoc/bundler,philnash/bundler,gregkare/bundler,haocafes/bundler,gregkare/bundler,haonature/bundler,kohgpat/bundler,nju520/bundler,mvz/bundler,neslom/bundler,steved/bundler,patvice/bundler,mattbrictson/bundler-1,mattbrictson/bundler-1,nju520/bundler,chef/bundler,seanlinsley/bundler,byroot/bundler,lmtim/bundler,mpapis/bundler,EasonYi/bundler,danimashu/bundler,smlance/bundler,lgierth/bundler,jasonkarns/bundler,Elffers/bundler,schaary/bundler,cstrahan/bundler,chef/bundler,haonaturel/bundler,pjump/bundler,cdwort/bundler,Teino1978-Corp/Teino1978-Corp-bundler,haonature888/bundler,twcctz500000/bundler,lmtim/bundler,bronzdoc/bundler,CorainChicago/bundler,masarakki/bundler,e2/bundler,patvice/bundler,ximus/bundler,h4ck3rm1k3/bundler,frsyuki/bundler,ipmobiletech/bundler,christer155/bundler,mtscout6/bundler,Elffers/bundler