refactor: removing needless module complexity

modules/home/programs/bash/default.nix

@@ -0,0 +1,17 @@
+{
+  config,
+  lib,
+  ...
+}: let
+  inherit (lib) mkIf mkEnableOption;
+  cfg = config.home.programs.bash;
+in {
+  options = {
+    home.programs.bash.enable = mkEnableOption "Enables bash";
+  };
+  config = mkIf cfg.enable {
+    programs.bash = {
+      enable = true;
+    };
+  };
+}