Merge #1735

1735: Delete obsolete jest config r=curquiza a=flevi29

# Pull Request

## What does this PR do?
In one of my `git rebase`s I accidentally re-included jest config file, which is obsolete due to Jest being replaced by Vitest

## PR checklist
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- [x] Does this PR fix an existing issue, or have you listed the changes applied in the PR description (and why they are needed)?
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- [x] Have you made sure that the title is accurate and descriptive of the changes?

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Co-authored-by: F. Levi <[email protected]>

Author: meili-bors[bot]