RFR: 8337642: Remove unused APIs of GCPolicyCounters [v2]

[Thomas Schatzl]

On Mon, 5 Aug 2024 09:41:04 GMT, Albert Mingkun Yang <ayang at openjdk.org> wrote:

>> Trivial removing an empty method call. (Only subclasses have non-empty method body, which is not used by Serial.)
>
> 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 three additional commits since the last revision:
> 
>  - review
>  - Merge branch 'master' into s1-trivial
>  - s1-trivial

Marked as reviewed by tschatzl (Reviewer).

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

PR Review: https://git.openjdk.org/jdk/pull/20416#pullrequestreview-2218545426