feat: bundle external nixosModules with liminalOS module

hm/default.nix

@@ -8,10 +8,6 @@ let
   cfg = config.liminalOS;
 in
 {
-  imports = [
-    inputs.home-manager.nixosModules.home-manager
-  ];
-
   options.liminalOS.integrateHomeManager = lib.mkOption {
     type = lib.types.bool;
     default = cfg.enable;

hm/modules/common/shellenv/default.nix

@@ -1,7 +1,6 @@
 {
   config,
   lib,
-  inputs,
   pkgs,
   osConfig,
   ...
@@ -11,7 +10,6 @@ let
 in
 {
   imports = [
-    inputs.nix-index-database.hmModules.nix-index
     ./fastfetch
   ];
 

hm/modules/linux/spicetify/default.nix

@@ -1,19 +1,11 @@
 {
-  inputs,
-  pkgs,
+  spicepkgs,
   config,
   osConfig,
   lib,
   ...
 }:
-let
-  spicepkgs = inputs.spicetify.legacyPackages.${pkgs.system};
-in
 {
-  imports = [
-    inputs.spicetify.homeManagerModules.default
-  ];
-
   config = lib.mkIf (config.liminalOS.programs.enable && osConfig.liminalOS.config.allowUnfree) {
     programs.spicetify = {
       enable = true;