RFR: 8326666: Remove the Java Management Extension (JMX) Subject Delegation feature [v4]

[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 incrementally with one additional commit since the last revision:

  Test that SubjectDelegation is refused.

-------------

Changes:
  - all: https://git.openjdk.org/jdk/pull/18025/files
  - new: https://git.openjdk.org/jdk/pull/18025/files/c607b69a..19ace691

Webrevs:
 - full: https://webrevs.openjdk.org/?repo=jdk&pr=18025&range=03
 - incr: https://webrevs.openjdk.org/?repo=jdk&pr=18025&range=02-03

  Stats: 115 lines in 1 file changed: 115 ins; 0 del; 0 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