Update jit-runner-removal.md

[rajbos]

Why:

Fix textual error in documentation, this read really weird:

Check off the following:

• [ ] I have reviewed my changes in staging, available via the View deployment link in this PR's timeline.

  • For content changes, you will also see an automatically generated comment with links directly to pages you've modified. The comment won't appear if your PR only edits files in the data directory.

• [ ] For content changes, I have completed the self-review checklist.