jmx-dev RFR: 8326666: Remove the Java Management Extension (JMX) Subject Delegation feature [v9]

[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:

  Javadoc update

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

Changes:
  - all: https://git.openjdk.org/jdk/pull/18025/files
  - new: https://git.openjdk.org/jdk/pull/18025/files/7ae77376..15717fbe

Webrevs:
 - full: https://webrevs.openjdk.org/?repo=jdk&pr=18025&range=08
 - incr: https://webrevs.openjdk.org/?repo=jdk&pr=18025&range=07-08

  Stats: 89 lines in 2 files changed: 5 ins; 33 del; 51 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