[storage|aws] Fix docs to say files.each, not each_file.
[storage|aws] Fix docs to say files.each, not each_file.

each_file was an API that was discussed, but dismissed as a bad idea.
The documentation still had a reference to each_file, though.

TerryHowe/fog,lwander/fog,b0ric/fog,zephyrean/fog,papedaniel/fog,nandhanurrevanth/fog,runtimerevolution/fog,pravi/fog,pyama86/fog,adecarolis/fog,ack/fog,dustacio/fog,yyuu/fog,joshisa/fog,ManageIQ/fog,duhast/fog,fog/fog,12spokes/fog,icco/fog,nicolasbrechet/fog,theforeman/fog,dhague/fog,unorthodoxgeek/fog,nalabjp/fog,Ladas/fog,alphagov/fog,nandhanurrevanth/fog,petems/fog,Programatica/fog,covario-cdiaz/fog,github/fog,10io/fog,brilliomsinterop/fog,martinb3/fog,NETWAYS/fog,backupify/fog,asebastian-r7/fog,zephyrean/fog,joshmyers/fog,sferik/fog,adamleff/fog,sideci-sample/sideci-sample-fog,seanhandley/fog,theforeman/fog,zephyrean/fog,mitchlloyd/fog,nandhanurrevanth/fog,displague/fog,bryanl/fog,MSOpenTech/fog,MSOpenTech/fog,Programatica/fog,phillbaker/fog,backupify/fog,phillbaker/fog,surminus/fog,plribeiro3000/fog,runtimerevolution/fog,dtdream/fog,cocktail-io/fog,cocktail-io/fog,joshmyers/fog,kongslund/fog,TerryHowe/fog,eLobato/fog,nicolasbrechet/fog,dustacio/fog,mavenlink/fog,pyama86/fog,kongslund/fog,sideci-sample/sideci-sample-fog,b0e/fog,yyuu/fog,mitchlloyd/fog,alphagov/fog,joshisa/fog,rackspace/fog,surminus/fog,phillbaker/fog,adecarolis/fog,asebastian-r7/fog,petems/fog,dLobatog/fog,mavenlink/fog,bryanl/fog,b0ric/fog,adamleff/fog,ack/fog,duhast/fog,lwander/fog,NETWAYS/fog,plribeiro3000/fog,ManageIQ/fog,nalabjp/fog,glennpratt/fog,glennpratt/fog,martinb3/fog,sapcc/fog,bdunne/fog,mohitsethi/fog,brilliomsinterop/fog,Ladas/fog,displague/fog,dLobatog/fog,github/fog,fog/fog,sapcc/fog,dpowell7/fog,unorthodoxgeek/fog,dtdream/fog,SpryBTS/fog,SpryBTS/fog,10io/fog,covario-cdiaz/fog,brilliomsinterop/fog,pravi/fog,rackspace/fog,mohitsethi/fog,dhague/fog,icco/fog,seanhandley/fog,papedaniel/fog,brandondunne/fog,eLobato/fog