Remove unused code and dependencies

- Removed unused JavaScript controllers (shadcn_test, featured_event, event_form, ticket_type_form)
- Removed unused React components (button.jsx and utils.js)
- Removed duplicate env.example file
- Removed unused Alpine.js dependencies from package.json
- Updated controller registrations and dependency files
- Added REFACTORING_SUMMARY.md with details of changes
- Added new file: app/controllers/api/v1/orders_controller.rb

app/javascript/controllers/index.js

@@ -18,9 +18,3 @@ application.register("ticket-selection", TicketSelectionController);
 
 import HeaderController from "./header_controller";
 application.register("header", HeaderController);
-
-import EventFormController from "./event_form_controller";
-application.register("event-form", EventFormController);
-
-import TicketTypeFormController from "./ticket_type_form_controller";
-application.register("ticket-type-form", TicketTypeFormController);