RFR: Remove misleading javax.management.remote API doc wording about JMX spec, and historic link to JMXMP [v3]

[Daniel Fuchs]

On Fri, 6 Jun 2025 08:45:48 GMT, Kevin Walls <kevinw at openjdk.org> wrote:

>>> As is "User-defined connector protocols..." -> "Other connector protocols..."
>> 
>> I think that would be okay.
>
> Also removing:
> " and, optionally, the Generic Connector (not part of this bundle, see note below)."

LGTM

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PR Review Comment: https://git.openjdk.org/jdk/pull/25670#discussion_r2131922115