Move config to common.nix

configuration/desktop.nix

@@ -7,18 +7,6 @@
 }:
 
 {
-  # NixOS version.
-  system.stateVersion = "25.05";
-
-  # Enable flakes.
-  nix.settings.experimental-features = [
-    "nix-command"
-    "flakes"
-  ];
-
-  # Allow unfree packages.
-  nixpkgs.config.allowUnfree = true;
-
   # Configure the bootloader.
   boot = {
     # Enable secure boot.
@@ -54,36 +42,9 @@
   # Enable smart card support (for YubiKey).
   services.pcscd.enable = true;
 
-  # Define hostname.
-  networking.hostName = "muskduck";
-
   # Enable networking.
   networking.networkmanager.enable = true;
 
-  # Set time zone.
-  time.timeZone = "Australia/Perth";
-
-  # Select internationalisation properties.
-  i18n.defaultLocale = "en_AU.UTF-8";
-
-  i18n.extraLocaleSettings = {
-    LC_ADDRESS = "en_AU.UTF-8";
-    LC_IDENTIFICATION = "en_AU.UTF-8";
-    LC_MEASUREMENT = "en_AU.UTF-8";
-    LC_MONETARY = "en_AU.UTF-8";
-    LC_NAME = "en_AU.UTF-8";
-    LC_NUMERIC = "en_AU.UTF-8";
-    LC_PAPER = "en_AU.UTF-8";
-    LC_TELEPHONE = "en_AU.UTF-8";
-    LC_TIME = "en_AU.UTF-8";
-  };
-
-  # Configure keymap in X11.
-  services.xserver.xkb = {
-    layout = "us";
-    variant = "";
-  };
-
   # Define a user account.
   users.users.fern = {
     isNormalUser = true;
@@ -150,35 +111,21 @@
 
   # Install some packages.
   programs.steam.enable = true;
-  programs.git.enable = true;
   programs.firefox.enable = true;
 
-  programs.neovim = {
-    enable = true;
-    defaultEditor = true; # Use neovim as default terminal editor.
-    configure = {
-      customRC = ''
-        set expandtab
-        set shiftwidth=2
-        set tabstop=8
-        set softtabstop=2
-        set number
-        colorscheme kanagawa-dragon
-      '';
-      packages.myVimPackage = with pkgs.vimPlugins; {
-        start = [ kanagawa-nvim ];
-      };
-    };
-  };
-
   environment.systemPackages = with pkgs; [
     adwsteamgtk
     ansible
     celluloid
     discord
     feishin0_16_0.feishin
+    ghostty
     gimp3
     glabels-qt
+    gnome-tweaks
+    gnomeExtensions.auto-move-windows
+    gnomeExtensions.rounded-window-corners-reborn
+    gnomeExtensions.smile-complementary-extension
     jellyfin-media-player
     libreoffice
     nixd # nix language server
@@ -187,13 +134,8 @@
     protonmail-desktop
     signal-desktop
     smile
-    yubioath-flutter
-    gnomeExtensions.rounded-window-corners-reborn
-    gnomeExtensions.smile-complementary-extension
-    gnomeExtensions.auto-move-windows
-    gnome-tweaks
     vscodium
-    ghostty
+    yubioath-flutter
 
     # PrismLauncher with temurin jre.
     (prismlauncher.override {
@@ -215,9 +157,6 @@
   # Enable gamemode service
   programs.gamemode.enable = true;
 
-  # Enable avahi hostname resolution.
-  services.avahi.nssmdns4 = true;
-
   # Enable CUPS to print documents.
   services.printing.enable = true;