Integrated: 8321410: Shenandoah: Remove ShenandoahSuspendibleWorkers flag

[Aleksey Shipilev]

On Tue, 5 Dec 2023 19:47:31 GMT, Aleksey Shipilev <shade at openjdk.org> wrote:

> We have flipped `ShenandoahSuspendibleWorkers` to true in [JDK-8305403](https://bugs.openjdk.org/browse/JDK-8305403), and backported it back to 17.0.8. We seem to be in consensus that turning this flag off would likely to cause correctness issues:
>   https://github.com/openjdk/jdk/pull/13309#discussion_r1160934484
> 
> So we might as well remove this flag altogether.
> 
> Additional testing:
>  - [x] `hotspot_gc_shenandoah`

This pull request has now been integrated.

Changeset: 2830dd2a
Author:    Aleksey Shipilev <shade at openjdk.org>
URL:       https://git.openjdk.org/jdk/commit/2830dd2a7d3b933fbddca64ca0ac7a91e7ab0775
Stats:     40 lines in 6 files changed: 0 ins; 33 del; 7 mod

8321410: Shenandoah: Remove ShenandoahSuspendibleWorkers flag

Reviewed-by: rkennke

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PR: https://git.openjdk.org/jdk/pull/16984