refactor: removing needless module complexity

modules/home/services/gpg/default.nix

@@ -0,0 +1,18 @@
+{
+  config,
+  lib,
+  ...
+}: let
+  inherit (lib) mkIf mkEnableOption;
+  cfg = config.home.services.gpg;
+in {
+  options = {
+    home.services.gpg.enable = mkEnableOption "Enables gpg";
+  };
+  config = mkIf cfg.enable {
+    services.gpg-agent = {
+      enable = true;
+      enableSshSupport = true;
+    };
+  };
+}