linux: Separate common configuration

hosts/linux/spotlights-macbook-air/configuration.nix

@@ -8,13 +8,13 @@
 
   imports = [
     ./hardware-configuration.nix
+    ../shared.nix
   ];
 
-  nix.settings.experimental-features = [ "flakes" "nix-command" ];
-
   # Use the systemd-boot EFI boot loader.
   boot.loader.systemd-boot.enable = true;
   boot.loader.efi.canTouchEfiVariables = false;
+
   # GPU enablement
   hardware.asahi = {
     peripheralFirmwareDirectory = /boot/asahi;
@@ -25,7 +25,6 @@
   };
 
   networking = {
-    hostName = "spotlights-macbook-air";
     wireless.iwd = {
       enable = true;
       settings.General.EnableNetworkConfiguration = true;
@@ -33,48 +32,8 @@
     networkmanager.enable = true;
   };
 
-  services = {
-    # Enable GNOME
-    xserver = {
-      enable = true;
-      displayManager.gdm.enable = true;
-      desktopManager.gnome.enable = true;
-    };
-    avahi = {
-      enable = true;
-      # Enable .local resolution
-      nssmdns4 = true;
-    };
-
-    # Enable CUPS to print documents.
-    printing.enable = true;
-  };
-
-  # Our user account.
-  programs.zsh.enable = true;
-  users.users.spotlight = {
-    isNormalUser = true;
-    extraGroups = [ "wheel" ]; # Enable ‘sudo’ for the user.
-    shell = pkgs.zsh;
-  };
-
   environment.systemPackages = with pkgs; [
-    cachix
-    firefox
-    git
-    htop
-    gnomeExtensions.appindicator
     legcord
-    minicom
-    nix-output-monitor
-    python3
-    seafile-client
-    telegram-desktop
-    tmux
-    usbutils
-    vim
-    vscode
-    wget
   ];
 
   # :(
@@ -82,16 +41,5 @@
     "vscode"
   ];
 
-  # Allow location services.
-  location.provider = "geoclue2";
-  services.geoclue2.enable = true;
-
-  # Some programs need SUID wrappers, can be configured further or are
-  # started in user sessions.
-  programs.gnupg.agent = {
-    enable = true;
-    pinentryPackage = pkgs.pinentry-gnome3;
-  };
-
   system.stateVersion = "24.05";
 }