Switch to GNOME and Limine bootloader

Migrates the NixOS system to use GNOME as the primary desktop environment and Limine as the bootloader.

This involves removing the KDE Plasma configuration module and adding a dedicated module for Limine. Also includes a minor cleanup in the Darwin home-manager configuration.

hosts/darwin/home/users/alistreaza.nix

@@ -1,4 +1,4 @@
-{ pkgs, import-tree, ... }:
+{ import-tree, ... }:
 {
   home-manager.users.alistreaza = {
 
@@ -31,7 +31,7 @@
     home.env.rust.enable = true;
     home.env.python.enable = true;
 
-    home.packages = with pkgs; [];
+    home.packages = [ ];
 
     # No Home Application Folders
     targets.darwin.linkApps.enable = false;

hosts/nixos/system/os.nix

@@ -2,7 +2,7 @@
 
 {
   # System services
-  os.boot.systemd.enable = true;
+  os.boot.limine.enable = true;
   os.boot.plymouth.enable = true;
   os.graphics.nvidia.enable = true;
   os.audio.pipewire.enable = true;
@@ -25,7 +25,7 @@
   os.virtualisation.podman.enable = true;
 
   # Shells configurations
-  os.shells.kde.enable = true;
+  os.shells.gnome.enable = true;
 
   # Terminal
   programs.ssh.enableAskPassword = false; # No-window git push fix

modules/system/nixos/boot/limine.nix

@@ -0,0 +1,15 @@
+{ lib, config, ... }:
+with lib;
+let
+  cfg = config.os.boot.limine;
+in
+{
+  options.os.boot.limine = {
+    enable = mkEnableOption "Boot Limine service";
+  };
+  config = mkIf cfg.enable {
+
+    boot.loader.limine.enable = true;
+
+  };
+}

modules/system/nixos/shells/gnome.nix

@@ -36,7 +36,6 @@ in
         ++ [
           loupe
           papers
-          refine
           simple-scan
         ];
     };

modules/system/nixos/shells/kde.nix

@@ -1,38 +0,0 @@
-{
-  lib,
-  pkgs,
-  config,
-  ...
-}:
-with lib;
-let
-  cfg = config.os.shells.kde;
-in
-{
-  options.os.shells.kde = {
-    enable = mkEnableOption "System gnome shell service";
-  };
-  config = mkIf cfg.enable {
-
-    services.displayManager.plasma-login-manager.enable = true;
-    services.desktopManager.plasma6.enable = true;
-
-    environment = {
-
-      plasma6.excludePackages = with pkgs; [
-        aurorae
-        plasma-browser-integration
-        kwin-x11
-        (lib.getBin qttools) # Expose qdbus in PATH
-        elisa
-        gwenview
-        ktexteditor # provides elevated actions for kate
-        khelpcenter
-        baloo-widgets # baloo information in Dolphin
-        spectacle
-        krdp
-      ];
-    };
-
-  };
-}