Move hfsprogs into azos-core's desktop suite as a NixOS module

Mirrors the azos-core change -- nixos.desktop already imported in
nixos/configuration.nix, so no new import line needed, just drops the
old homeManager.hfsprogs import.

features/hfsprogs/default.nix

@@ -1,16 +0,0 @@
-{...}: {
-  config.flake.modules.homeManager.hfsprogs = {
-    lib,
-    config,
-    pkgs,
-    ...
-  }: {
-    options.azos.hfsprogs.enable = lib.mkOption {
-      default = true;
-      type = lib.types.bool;
-    };
-    config = lib.mkIf config.azos.hfsprogs.enable {
-      home.packages = with pkgs; [hfsprogs];
-    };
-  };
-}