Build all images with nix-snapshotter

utils.nix

@@ -1,36 +1,10 @@
 {
   self,
   pkgs,
-  nixpkgs,
-  nixng,
-  globals,
   nix-snapshotter,
   ...
 }: {
-  mkNixNGImage = name: file: let
-    stream =
-      (import file {
-        inherit nixpkgs nixng globals;
-        inherit (nixng) nglib;
-      })
-      .config
-      .system
-      .build
-      .ociImage
-      .stream;
-  in
-    pkgs.stdenv.mkDerivation {
-      name = "${name}.tar";
-      src = stream;
-      dontUnpack = true;
-      buildPhase = ''
-        $src > $out
-      '';
-    };
-
-  nixSnapshotterRef = imagePath: "nix:0${imagePath}";
-
-  mkNixNGImage2 = name:
+  mkNixNGImage = name:
     (nix-snapshotter.packages.${pkgs.stdenv.system}.nix-snapshotter.buildImage {
       inherit name;
       resolvedByNix = true;