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

[Thomas Schatzl]

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

-------------

Marked as reviewed by tschatzl (Reviewer).

PR Review: https://git.openjdk.org/jdk/pull/25032#pullrequestreview-2817313107