RFR: 8335347: GenShen: Revert change that has adaptive heuristic ignore abbreviated cycles

[Kelvin Nilsen]

On Fri, 28 Jun 2024 16:22:03 GMT, William Kemper <wkemper at openjdk.org> wrote:

> Additional performance testing has shown no benefit from this feature. In fact, latency is degraded on the extremem benchmark with this feature enabled.

Thanks.

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Marked as reviewed by kdnilsen (Committer).

PR Review: https://git.openjdk.org/shenandoah/pull/455#pullrequestreview-2148457407