Revert "Let's not populate the NAR cache from hydra-queue-runner for now"
Revert "Let's not populate the NAR cache from hydra-queue-runner for now"

This reverts commit 908590dc6cfcca3a98755b194d93b2da39aee95c. Since
hydra-server can have a different store URI from hydra-queue-runner
now, we don't really need this.

dezgeg/nix,dtzWill/nix,ehmry/nix,ehmry/nix,NixOS/nix,shlevy/nix,shlevy/nix,layus/nix,NixOS/nix,ehmry/nix,dtzWill/nix,dtzWill/nix,dezgeg/nix,zimbatm/nix,shlevy/nix,vcunat/nix,layus/nix,ehmry/nix,dtzWill/nix,peti/nix,rycee/nix,pikajude/nix,dezgeg/nix,zimbatm/nix,vcunat/nix,NixOS/nix,zimbatm/nix,dtzWill/nix,layus/nix,NixOS/nix,shlevy/nix,dezgeg/nix,zimbatm/nix,peti/nix,vcunat/nix,layus/nix,ehmry/nix,rycee/nix,pikajude/nix,rycee/nix,layus/nix,rycee/nix,peti/nix,NixOS/nix,peti/nix,vcunat/nix,rycee/nix,shlevy/nix,pikajude/nix,ehmry/nix,dezgeg/nix,peti/nix