RFR: 8319620: Parallel: Remove unused PSPromotionManager::*_is_full getters and setters

[Albert Mingkun Yang]

On Tue, 7 Nov 2023 10:59:24 GMT, Thomas Schatzl <tschatzl at openjdk.org> wrote:

> Hello,
> 
>   please review this trivial removal of some unused member functions in `PSPromotionManager`.
> 
> Testing: local compilation
> 
> Thanks,
>   Thomas

Trivial.

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Marked as reviewed by ayang (Reviewer).

PR Review: https://git.openjdk.org/jdk/pull/16539#pullrequestreview-1717426986