fix: auto-installer works fully offline

chore: run nix fmt

refactor: change usage of targetSystem to targetSystemBuild.toplevel

chore: run nix fmt

refactor: change usage of targetSystem to targetSystemBuild.toplevel

installer/auto-install.nix

@@ -13,7 +13,6 @@
   ...
 }:
 {
-  # Ensure the entire system closure and all dependencies are included in the ISO
   environment.systemPackages = [
     pkgs.git
     pkgs.bashInteractive
@@ -21,14 +20,6 @@
     targetSystemBuild.toplevel
   ];
 
-  # Explicitly include the system closure in the ISO image to prevent any need to build or fetch
-  isoImage.contents = [
-    {
-      source = targetSystem;
-      target = "/system";
-    }
-  ];
-
   nixpkgs.hostPlatform = hostPlatform;
 
   nix.settings.experimental-features = "nix-command flakes";