feat: update configuration files to streamline imports and enhance package management

hosts/nb/modules/desktop/default.nix

@@ -1,8 +1,5 @@
 { config, pkgs, lib, ... }:
 let
-  apache-ds-pin = import (builtins.fetchTarball {
-    url = "https://github.com/NixOS/nixpkgs/archive/9aec01027f7ea2bca07bb51d5ed83e78088871c1.tar.gz";
-  }) {};
 in {
   imports = [
     ../sway/sway.nix
@@ -16,7 +13,7 @@ in {
 
   environment.systemPackages = with pkgs; [
     alacritty
-    apache-ds-pin.apache-directory-studio
+    apache-directory-studio
     cryptomator
     fontforge
     freecad