remove unnecessary nix files

wfvm/default.nix

@@ -1,7 +0,0 @@
-{ pkgs }:
-
-{
-  makeWindowsImage = attrs: import ./win.nix ({ inherit pkgs; } // attrs);
-  layers = (import ./layers { inherit pkgs; });
-  utils = (import ./utils.nix { inherit pkgs; });
-}

wfvm/demo-image.nix

@@ -1,72 +0,0 @@
-{ pkgs ? import <nixpkgs> {}, impureMode ? false }:
-
-let
-  wfvm = (import ./default.nix { inherit pkgs; });
-in
-wfvm.makeWindowsImage {
-  # Build install script & skip building iso
-  inherit impureMode;
-
-  # Custom base iso
-  # windowsImage = pkgs.requireFile rec {
-  #   name = "Win10_21H1_English_x64.iso";
-  #   sha256 = "1sl51lnx4r6ckh5fii7m2hi15zh8fh7cf7rjgjq9kacg8hwyh4b9";
-  #   message = "Get ${name} from https://www.microsoft.com/en-us/software-download/windows10ISO";
-  # };
-
-  # impureShellCommands = [
-  #   "powershell.exe echo Hello"
-  # ];
-
-  # User accounts
-  # users = {
-  #   artiq = {
-  #     password = "1234";
-  #     # description = "Default user";
-  #     # displayName = "Display name";
-  #     groups = [
-  #       "Administrators"
-  #     ];
-  #   };
-  # };
-
-  # Auto login
-  # defaultUser = "artiq";
-
-  # fullName = "M-Labs";
-  # organization = "m-labs";
-  # administratorPassword = "12345";
-
-  # Imperative installation commands, to be installed incrementally
-  installCommands =
-    if impureMode
-    then []
-    else with wfvm.layers; [
-      (collapseLayers [
-        disable-autosleep
-        disable-autolock
-        disable-firewall
-      ])
-      anaconda3 msys2 msvc msvc-ide-unbreak
-    ];
-
-  # services = {
-  #   # Enable remote management
-  #   WinRm = {
-  #     Status = "Running";
-  #     PassThru = true;
-  #   };
-  # };
-
-  # License key (required)
-  # productKey = throw "Search the f* web"
-  imageSelection = "Windows 10 Pro";
-
-
-  # Locales
-  # uiLanguage = "en-US";
-  # inputLocale = "en-US";
-  # userLocale = "en-US";
-  # systemLocale = "en-US";
-
-}

wfvm/demo-ssh.nix

@@ -1,13 +0,0 @@
-{ pkgs ? import <nixpkgs> {} }:
-
-let
-  wfvm = (import ./default.nix { inherit pkgs; });
-in
-  wfvm.utils.wfvm-run {
-    name = "demo-ssh";
-    image = import ./demo-image.nix { inherit pkgs; };
-    isolateNetwork = false;
-    script = ''
-      ${pkgs.sshpass}/bin/sshpass -p1234 -- ${pkgs.openssh}/bin/ssh -p 2022 wfvm@localhost -o StrictHostKeyChecking=no -o UserKnownHostsFile=/dev/null
-    '';
-  }