RFR: 8356157: Remove retry loop in collect of SerialHeap and ParallelScavengeHeap [v2]

[Albert Mingkun Yang]

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

Albert Mingkun Yang has updated the pull request with a new target base due to a merge or a rebase. The incremental webrev excludes the unrelated changes brought in by the merge/rebase. The pull request contains two additional commits since the last revision:

 - Merge branch 'master' into remove-systemgc-loop
 - remove-systemgc-loop

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

Changes:
  - all: https://git.openjdk.org/jdk/pull/25032/files
  - new: https://git.openjdk.org/jdk/pull/25032/files/958d1315..8a04d3f2

Webrevs:
 - full: https://webrevs.openjdk.org/?repo=jdk&pr=25032&range=01
 - incr: https://webrevs.openjdk.org/?repo=jdk&pr=25032&range=00-01

  Stats: 40645 lines in 1443 files changed: 23144 ins; 9777 del; 7724 mod
  Patch: https://git.openjdk.org/jdk/pull/25032.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/25032/head:pull/25032

PR: https://git.openjdk.org/jdk/pull/25032