RFR: Allow committers to review Shenandoah changes

[Aleksey Shipilev]

On Tue, 25 May 2021 10:57:09 GMT, Roman Kennke <rkennke at openjdk.org> wrote:

> We shouldn't need formal distinction between reviewers and commiters in Shenandoah. I propose to allow all committers to also review changes.

That's fine.

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Marked as reviewed by shade (Committer).

PR: https://git.openjdk.java.net/shenandoah/pull/45