Remove uber-s3 gem dependency
Remove uber-s3 gem dependency

ashhher3/omnibus,Scalr/omnibus,pskrz/omnibus,adamleff/omnibus,szechyjs/omnibus,strangelittlemonkey/omnibus,chef/omnibus,ashhher3/omnibus,DataDog/omnibus-ruby,szechyjs/omnibus,ashhher3/omnibus,Altiscale/omnibus,rapid7/omnibus,adamleff/omnibus,3ofcoins/chef-omnibus,rhass/omnibus,strangelittlemonkey/omnibus,hugosato/omnibus,chef/omnibus,adamleff/omnibus,jamesn/omnibus,DataDog/omnibus-ruby,higanworks/omnibus,pskrz/omnibus,hugosato/omnibus,szechyjs/omnibus,rhass/omnibus,rapid7/omnibus,rapid7/omnibus,3ofcoins/chef-omnibus,3ofcoins/chef-omnibus,jamesn/omnibus,Altiscale/omnibus,Altiscale/omnibus,rhass/omnibus,mattray/omnibus,jamesn/omnibus,higanworks/omnibus,DataDog/omnibus-ruby,hugosato/omnibus,strangelittlemonkey/omnibus,mattray/omnibus,Scalr/omnibus,chef/omnibus,pskrz/omnibus,mattray/omnibus,higanworks/omnibus,Scalr/omnibus