refactor: Clean up dependencies and remove unused utility functions

Commit notes

This commit updates the package.json and bun.lock files by removing unused dependencies related to ElysiaJS, including jwt, static, and stream. Additionally, it cleans up the utils index file by removing several unused utility functions such as formatFileSize, generateToken, and parsePagination, while retaining the export of the sanitize function. This streamlining enhances maintainability and reduces the overall size of the codebase.