Remove startupProbe in kubernetes-overlord-extensions

[applike-ss]

Partially Fixes #17783.

Description

The readiness and liveness probes are removed, however the startup probe remains - which makes peon tasks never get healthy and kills them after not coming up long enough.

Fixed the bug ...

Renamed the class ...

Added a forbidden-apis entry ...

Release note

Removed Startup probe in kubernetes-overlord-extentions, so that peon tasks can start up properly without being killed by kubernetes.

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Key changed/added classes in this PR

• remove startup probe on peon tasks, if it exists

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This PR has:

• been self-reviewed.
  • using the concurrency checklist (Remove this item if the PR doesn't have any relation to concurrency.)
• added documentation for new or modified features or behaviors.
• a release note entry in the PR description.
• added Javadocs for most classes and all non-trivial methods. Linked related entities via Javadoc links.
• added or updated version, license, or notice information in licenses.yaml
• added comments explaining the "why" and the intent of the code wherever would not be obvious for an unfamiliar reader.
• added unit tests or modified existing tests to cover new code paths, ensuring the threshold for code coverage is met.
• added integration tests.
• been tested in a test Druid cluster.

[georgew5656]

lgtm, if you have time could you add a unit test checking this behavior?

[applike-ss]

I have added a unit test, but i can't execute it on my end because IntelliJ IDEA can't resolve org.apache.druid.math.expr.antlr.ExprBaseListener and org.apache.druid.math.expr.antlr.ExprParser.

Maybe you can try it?