fix(nix): renamed nixie to carbon

nix/hosts/nixie/default.nix

@@ -1,58 +0,0 @@
-{pkgs, ...}: {
-  system.stateVersion = "23.11";
-
-  imports = [
-    ./hardware-configuration.nix
-
-    ./age.nix
-    ./battery.nix
-    ./gui.nix
-    ./locale.nix
-    ./audio.nix
-    ./networking.nix
-    ./bluetooth.nix
-    ./packages.nix
-    ./virt.nix
-  ];
-
-  boot.loader = {
-    systemd-boot.enable = true;
-    efi.canTouchEfiVariables = true;
-  };
-
-  security.sudo.extraConfig = "Defaults lecture = always";
-  users.users.leana = {
-    uid = 1000;
-    isNormalUser = true;
-    description = "leana";
-    extraGroups = [
-      "wheel" # sudoers
-      "video" # light
-      "audio" # pipewire
-      "docker"
-      "vboxusers"
-    ];
-    packages = [];
-  };
-
-  nix = {
-    package = pkgs.nixFlakes;
-    extraOptions = ''
-      experimental-features = nix-command flakes
-    '';
-    gc = {
-      automatic = true;
-      dates = "weekly";
-      options = "--delete-older-than 15d";
-    };
-    optimise = {
-      dates = ["weekly"];
-      automatic = true;
-    };
-    settings = {
-      substituters = ["https://nix-community.cachix.org"];
-      trusted-public-keys = ["nix-community.cachix.org-1:mB9FSh9qf2dCimDSUo8Zy7bkq5CX+/rkCWyvRCYg3Fs="];
-      trusted-users = ["root" "@wheel"];
-    };
-  };
-}