Revert "[GitProxy] Try and preserve the umask on git gems"
Revert "[GitProxy] Try and preserve the umask on git gems"

PG-kura/bundler,carpodaster/bundler,Wirachmat/bundler,byroot/bundler,mdorrance/bundler,agis-/bundler,bundler/bundler,chulkilee/bundler,philnash/bundler,chef/bundler,ngpestelos/bundler,simplybusiness/bundler,suhastech/bundler,steved/bundler,bronzdoc/bundler,Wirachmat/bundler,joshsoftware/bundler,seanlinsley/bundler,Eric-Guo/bundler,neslom/bundler,asutoshpalai/bundler,jaym/bundler,ximus/bundler,simplybusiness/bundler,h4ck3rm1k3/bundler,mattbrictson/bundler-1,cstrahan/bundler,robinboening/bundler,h4ck3rm1k3/bundler,mvz/bundler,RochesterinNYC/bundler,agis-/bundler,bundler/bundler,EthanK28/bundler,mpapis/bundler,wenderjean/bundler,ngpestelos/bundler,AiyionPrime/bundler,AiyionPrime/bundler,pivotal-cf-experimental/bundler,ipmobiletech/bundler,anil826/bundler,byroot/bundler,gregkare/bundler,chef/bundler,masarakki/bundler,cdwort/bundler,kohgpat/bundler,danimashu/bundler,roseweixel/bundler,zhangkuaiji/bundler,mpapis/bundler,jasonkarns/bundler,chulkilee/bundler,carpodaster/bundler,davydovanton/bundler,asutoshpalai/bundler,EthanK28/bundler,frsyuki/bundler,danimashu/bundler,Eric-Guo/bundler,patvice/bundler,jingweno/bundler,jaym/bundler,mvz/bundler,lmtim/bundler,lmtim/bundler,EasonYi/bundler,asymmetric/bundler,tgxworld/bundler,mdorrance/bundler,neslom/bundler,elovelan/bundler,suhastech/bundler,jasonkarns/bundler,ligi/bundler,philnash/bundler,dilumnavanjana/bundler,ligi/bundler,asymmetric/bundler,pivotal-cf-experimental/bundler,dilumnavanjana/bundler,schaary/bundler,PG-kura/bundler,davydovanton/bundler,RochesterinNYC/bundler,nju520/bundler,anil826/bundler,kohgpat/bundler,nju520/bundler,jingweno/bundler,cstrahan/bundler,mattbrictson/bundler-1,Elffers/bundler,cdwort/bundler,Teino1978-Corp/Teino1978-Corp-bundler,ipmobiletech/bundler,CorainChicago/bundler,bronzdoc/bundler,roseweixel/bundler,steved/bundler,christer155/bundler,elovelan/bundler,patvice/bundler,masarakki/bundler,joshsoftware/bundler,EasonYi/bundler,CorainChicago/bundler,christer155/bundler,frsyuki/bundler,Teino1978-Corp/Teino1978-Corp-bundler,gregkare/bundler,robinboening/bundler,schaary/bundler,tgxworld/bundler,zhangkuaiji/bundler,wenderjean/bundler,seanlinsley/bundler,Elffers/bundler,ximus/bundler