jf-open-hunnin: Update to version 2.0

[jonz94]

As the release asset is now a single .ttf file instead of a .zip file, this PR updates autoupdate and removes extract_dir accordingly.

[github-actions[bot]]

All changes look good.

Wait for review from human collaborators.

jf-open-huninn

• [x] Description
• [x] License
• [x] Hashes
• [x] Checkver
• [x] Autoupdate