RFR: 8367651: Parallel: Remove workers number checking in constructor of PSAdjustTask

[Thomas Schatzl]

On Mon, 15 Sep 2025 10:01:45 GMT, Albert Mingkun Yang <ayang at openjdk.org> wrote:

> Uniform thread claiming path for different number of workers.
> 
> Test: tier1-3

Marked as reviewed by tschatzl (Reviewer).

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PR Review: https://git.openjdk.org/jdk/pull/27290#pullrequestreview-3244420470