Refactor delist recommender streamlit page to streamline data fetching and enhance user interface. Now makes use of delist recommender backend endpoint.

- Consolidated and simplified the data fetching process by integrating a backend API for delist recommendations, improving overall performance and reliability.
- Introduced new helper functions for formatting large numbers and percentages, enhancing the readability of displayed metrics.
- Updated the Streamlit page layout to provide a more intuitive user experience, including improved data presentation and error handling.
- Implemented caching for API responses to optimize data retrieval and reduce load times, with a manual refresh option for users.
- Enhanced error handling for API connections, ensuring users receive clear feedback on data retrieval issues.
- Removed deprecated code and unnecessary imports, streamlining the codebase for better maintainability.

Author: goldhaxx