Removed darwin config; Added unstable systems to config

home/headless-nixos.nix

@@ -1,4 +1,4 @@
-{ pkgs, user, ... }: {
+{ user, ... }: {
 
   home = {
     username = "${user}";
@@ -8,7 +8,6 @@
   imports = [
     ./shared.nix
     ./modules/utils.nix
-    ./modules/linux-only-utils.nix
     ./modules/networking.nix
     ./modules/neovim.nix
     ./modules/tmux.nix