RFR: 8299701: Remove unused GCCause::_wb_conc_mark [v2]

[Kim Barrett]

On Mon, 9 Jan 2023 15:01:21 GMT, Erik Österlund <eosterlund at openjdk.org> wrote:

>> Kim Barrett 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 wb_conc_mark
>>  - remove GCCause::_wb_conc_mark
>
> Looks good. Just one small nit.

Thanks for reviews @fisk and @walulyai .

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PR: https://git.openjdk.org/jdk/pull/11893