RFR: JDK-8291509 Minor cleanup could be done in sun.security

[Mark Powers]

On Mon, 22 Aug 2022 21:45:39 GMT, Mark Powers <mpowers at openjdk.org> wrote:

> https://bugs.openjdk.org/browse/JDK-8291509

Mach5 tier1 and tier2 tests all pass on all platforms.

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PR: https://git.openjdk.org/jdk/pull/9972