RFR: 8334493: Remove SecurityManager Permissions infrastructure from DiagnosticCommands

[Coleen Phillimore]

On Fri, 22 Nov 2024 09:14:30 GMT, Kevin Walls <kevinw at openjdk.org> wrote:

> Remove redundant SecurityManager Permission  references
> (following on from JDK-8338411: Implement JEP 486: Permanently Disable the Security Manager).

Looks good!

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Marked as reviewed by coleenp (Reviewer).

PR Review: https://git.openjdk.org/jdk/pull/22315#pullrequestreview-2454314366