RFR: 8326666: Remove the Java Management Extension (JMX) Subject Delegation feature [v16]

[Kevin Walls]

> The deprecated Subject Delegation feature in JMX will be removed.
> 
> This was marked in JDK 21 as deprecated for removal (JDK-8298966).

Kevin Walls has updated the pull request with a new target base due to a merge or a rebase. The pull request now contains 25 commits:

 - Merge remote-tracking branch 'upstream/master' into 8326666_SubjectDelegation_remove
 - Merge
 - Missing code doc nit.
 - Missing code doc nit.
 - RMIConnectionImpl_Stub also should explicity inherit the unchecked UOE.
 - Clarify JMXConnector equivalence comment.
 - RMIConnectionImpl needs to explicity inherit the unchecked UOE.
 - typo
 - Javadoc update
 - Remove unnecessary constructor in private class
 - ... and 15 more: https://git.openjdk.org/jdk/compare/b9da1401...7fec01c7

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Changes: https://git.openjdk.org/jdk/pull/18025/files
  Webrev: https://webrevs.openjdk.org/?repo=jdk&pr=18025&range=15
  Stats: 2026 lines in 35 files changed: 214 ins; 1632 del; 180 mod
  Patch: https://git.openjdk.org/jdk/pull/18025.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/18025/head:pull/18025

PR: https://git.openjdk.org/jdk/pull/18025