final changes, system is usable

modules/system/default.nix

@@ -6,7 +6,6 @@
     ./core/network.nix
     ./core/kernel.nix
     ./core/shell.nix
-    ./core/user.nix
     ./misc/programs.nix
     ./misc/graphics.nix
     ./desktop.nix

modules/system/misc/nix-conf.nix

@@ -1,5 +1,4 @@
 { ... }: {
-  nixpkgs.config.allowUnfree = true;
   nix = {
     settings = {
       experimental-features = [ "nix-command" "flakes" ];

modules/system/misc/utilities.nix

@@ -1,8 +1,4 @@
 { pkgs, ... }: {
-  nixpkgs.config.permittedInsecurePackages = [
-    "ventoy-qt5-1.1.10"
-  ];
-
   environment.systemPackages = with pkgs; [
     baobab
     file-roller
@@ -59,6 +55,7 @@
     nixd
     nil
     nh
+    nvd
     git
   ];
 }