Do not load a module twice from Repository::Installation
Do not load a module twice from Repository::Installation

Repository::FileSystem already had the check and the infrastructure was actually
in place, so just use it.

tony-o/rakudo,salortiz/rakudo,ugexe/rakudo,zostay/rakudo,ab5tract/rakudo,MasterDuke17/rakudo,nbrown/rakudo,softmoth/rakudo,rakudo/rakudo,labster/rakudo,dankogai/rakudo,ungrim97/rakudo,labster/rakudo,samcv/rakudo,jonathanstowe/rakudo,samcv/rakudo,Gnouc/rakudo,awwaiid/rakudo,lucasbuchala/rakudo,usev6/rakudo,tbrowder/rakudo,Gnouc/rakudo,ungrim97/rakudo,LLFourn/rakudo,awwaiid/rakudo,ungrim97/rakudo,ugexe/rakudo,azawawi/rakudo,azawawi/rakudo,labster/rakudo,sjn/rakudo,LLFourn/rakudo,dankogai/rakudo,jonathanstowe/rakudo,tbrowder/rakudo,tbrowder/rakudo,salortiz/rakudo,b2gills/rakudo,MasterDuke17/rakudo,sjn/rakudo,lucasbuchala/rakudo,MasterDuke17/rakudo,jonathanstowe/rakudo,dankogai/rakudo,zostay/rakudo,tony-o/rakudo,b2gills/rakudo,sjn/rakudo,tony-o/rakudo,raydiak/rakudo,paultcochrane/rakudo,softmoth/rakudo,dankogai/rakudo,nbrown/rakudo,MasterDuke17/rakudo,paultcochrane/rakudo,azawawi/rakudo,b2gills/rakudo,nbrown/rakudo,raydiak/rakudo,awwaiid/rakudo,b2gills/rakudo,lucasbuchala/rakudo,tony-o/rakudo,softmoth/rakudo,sjn/rakudo,raydiak/rakudo,Gnouc/rakudo,dankogai/rakudo,tony-o/rakudo,paultcochrane/rakudo,rakudo/rakudo,jonathanstowe/rakudo,awwaiid/rakudo,azawawi/rakudo,nbrown/rakudo,lucasbuchala/rakudo,ab5tract/rakudo,tony-o/rakudo,paultcochrane/rakudo,rakudo/rakudo,LLFourn/rakudo,salortiz/rakudo,jonathanstowe/rakudo,usev6/rakudo,samcv/rakudo,raydiak/rakudo,zostay/rakudo,lucasbuchala/rakudo,usev6/rakudo,LLFourn/rakudo,azawawi/rakudo,Gnouc/rakudo,ungrim97/rakudo,salortiz/rakudo,salortiz/rakudo,ab5tract/rakudo,nbrown/rakudo,labster/rakudo,samcv/rakudo,tbrowder/rakudo,ungrim97/rakudo,tbrowder/rakudo,LLFourn/rakudo,nbrown/rakudo,awwaiid/rakudo,labster/rakudo,tbrowder/rakudo,ugexe/rakudo,Gnouc/rakudo,zostay/rakudo,MasterDuke17/rakudo,MasterDuke17/rakudo,samcv/rakudo,rakudo/rakudo,usev6/rakudo,usev6/rakudo,ab5tract/rakudo,ugexe/rakudo,b2gills/rakudo,ab5tract/rakudo,Gnouc/rakudo,paultcochrane/rakudo,rakudo/rakudo,rakudo/rakudo,ugexe/rakudo,labster/rakudo,salortiz/rakudo,softmoth/rakudo,softmoth/rakudo,sjn/rakudo