RFR: 8338474: Parallel: Deprecate and obsolete PSChunkLargeArrays

[Albert Mingkun Yang]

On Thu, 26 Jun 2025 09:55:46 GMT, Albert Mingkun Yang <ayang at openjdk.org> wrote:

> Deprecating `PSChunkLargeArrays`, which is used only by Parallel and it is enabled by default.
> 
> Disabling it offers little benefit, so removing it do reduce the number of commandline flags.

Thanks for review.

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PR Comment: https://git.openjdk.org/jdk/pull/25997#issuecomment-3027924284