RFR: 8356157: Remove retry loop in collect of SerialHeap and ParallelScavengeHeap

[Zhengyu Gu]

On Mon, 5 May 2025 10:36:11 GMT, Albert Mingkun Yang <ayang at openjdk.org> wrote:

> Simple removing unnecessary retrying logic because an gc-operation will run-to-completion, guaranteeing the increment of corresponding counters.
> 
> Test: tier1-3

LGTM

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Marked as reviewed by zgu (Reviewer).

PR Review: https://git.openjdk.org/jdk/pull/25032#pullrequestreview-2846546163