simplify enable opts, and fix security.nix

default.nix

@@ -6,7 +6,9 @@ let
   inherit (lib.my) mapModulesRec';
 in {
   imports =
-    [ inputs.home-manager.nixosModules.home-manager ]
+    [ 
+      inputs.home-manager.nixosModules.home-manager
+    ]
     ++ (mapModulesRec' (toString ./modules) import);
 
   nix = {
@@ -27,11 +29,10 @@ in {
   environment.systemPackages = with pkgs; [
     unrar unzip
     curl wget
-    # nix does not work without git.
-    # do not remove this.
+    # nixos-rebuild w/ flakes does not work without git
+    # do not remove this
     # nix is awesome
     git
-    neofetch
   ];
 
   time.timeZone = mkDefault "America/Los_Angeles";