RFR: 8344327: SM cleanup in jdk.unsupported ReflectionFactory

[Chen Liang]

On Fri, 15 Nov 2024 18:32:58 GMT, Roger Riggs <rriggs at openjdk.org> wrote:

> This cleanup of the use of SecurityManager is in the jdk.unsupported module.
> Removed the permission check to call getReflectionFactory().

Thanks.  I think these are all to clean up in ReflectionFactory.

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Marked as reviewed by liach (Reviewer).

PR Review: https://git.openjdk.org/jdk/pull/22158#pullrequestreview-2439941246