RFR: 8302674: Parallel: Remove unused methods in MutableNUMASpace

[Albert Mingkun Yang]

On Thu, 16 Feb 2023 16:15:43 GMT, Albert Mingkun Yang <ayang at openjdk.org> wrote:

> Trivial removing dead code.

Thanks for the review.

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PR: https://git.openjdk.org/jdk/pull/12598