- Removed the JWT authentication setup and related access token handling.
- Deleted the test license activation functionality and associated routes.
- Removed the admin license management interface and related templates.
- Cleaned up the appointments page by removing test license options.
- Updated various templates to reflect changes in terminology from "license" to "instance".
- Removed the verify module and its associated functions for license key management.
- Deleted unused templates related to license management.
- Added a new empty JSON file for licenses backup.
