Remove deprecated HfFolder
Remove deprecated HfFolder: a task in repo2rlenv-pr-diff (Harbor dataset). Title: Remove deprecated HfFolder
The task
**Title:** Remove deprecated `HfFolder`
Part of FineEnvs/repo2rlenv-pr-diff.
Remove deprecated HfFolder: a task in repo2rlenv-pr-diff (Harbor dataset). Title: Remove deprecated HfFolder
**Title:** Remove deprecated `HfFolder`
Part of FineEnvs/repo2rlenv-pr-diff.