eafa1fd10d
This fixes using coderepos in /home, by allowing the coderepo paths to be bind mounted into an otherwise empty /home tmpfs. Since this was the usecase for making ProtectHome= overrideable, we don't need the mkDefault any more.
*** NixOS *** NixOS is a Linux distribution based on the purely functional package management system Nix. More information can be found at https://nixos.org/nixos and in the manual in doc/manual.