nix-daemon service: Don't have the output in the `nix.package' option

1) It unnecessarily exposes implementation details.
2) It breaks all existing configs that have e.g.
`nix.package = pkgs.nixUnstable;`.

authored by

Tuomas Tynkkynen and committed by
Vladimír Čunát
70f5c840 559a5632

+2 -2
+2 -2
nixos/modules/services/misc/nix-daemon.nix
··· 65 65 66 66 package = mkOption { 67 67 type = types.package; 68 - default = pkgs.nix.out; 69 - defaultText = "pkgs.nix.out"; 68 + default = pkgs.nix; 69 + defaultText = "pkgs.nix"; 70 70 description = '' 71 71 This option specifies the Nix package instance to use throughout the system. 72 72 '';