Delete .github/ci/packages-jammy.apt (backport #1274)

[mergify]

🦟 Bug fix

Removes file that is not supported on this branch

Summary

Ubuntu 22.04 CI was removed in #1131 for Jetty, but we forgot to remove the package-jammy.apt configuration file, so remove it now.

Checklist

• Signed all commits for DCO
• Added a screen capture or video to the PR description that demonstrates the fix (as needed)
• Added tests
• Updated documentation (as needed)
• Updated migration guide (as needed)
• Consider updating Python bindings (if the library has them)
• codecheck passed (See contributing)
• All tests passed (See test coverage)
• Updated Bazel files (if adding new files). Created an issue otherwise.
• While waiting for a review on your PR, please help review another open pull request to support the maintainers
• Was GenAI used to generate this PR? If so, make sure to add "Generated-by" to your commits. (See this policy for more info.)

Note to maintainers: Remember to use Squash-Merge and edit the commit message to match the pull request summary while retaining Signed-off-by and Generated-by messages.

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This is an automatic backport of pull request #1274 done by [Mergify](https://mergify.com).