revert misskey-js related changes (nanka-iroiro-2024-08-14)

[anatawa12]

What

Why

Additional info (optional)

Checklist

• [ ] Read the contribution guide
• [ ] Test working in a local environment
• [ ] (If needed) Add story of storybook
• [ ] (If needed) Update CHANGELOG.md
• [ ] (If possible) Add tests

[codecov[bot]]

Codecov Report

Attention: Patch coverage is 0% with 3 lines in your changes missing coverage. Please review.

Project coverage is 39.91%. Comparing base (a18bf4b) to head (9e0c77f). Report is 1 commits behind head on nanka-iroiro-2024-08-14.

Files	Patch %	Lines
...ackages/backend/src/server/api/openapi/gen-spec.ts	0.00%	3 Missing :warning:

Additional details and impacted files

```diff @@ Coverage Diff @@ ## nanka-iroiro-2024-08-14 #14414 +/- ## =========================================================== - Coverage 41.71% 39.91% -1.81% =========================================================== Files 1549 1545 -4 Lines 196610 190555 -6055 Branches 2770 3499 +729 =========================================================== - Hits 82020 76059 -5961 + Misses 114028 113905 -123 - Partials 562 591 +29 ```

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[syuilo]

🙏🏻