RFR: 8370807: G1: Fix comment about not selecting pinned regions into collection set

[Ivan Walulya]

On Wed, 29 Oct 2025 07:50:53 GMT, Thomas Schatzl <tschatzl at openjdk.org> wrote:

> Hi all,
> 
>   please review this cleanup of the region attribute registration methods.
> 
> Testing: gha
> 
> Thanks,
>   Thomas

Marked as reviewed by iwalulya (Reviewer).

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PR Review: https://git.openjdk.org/jdk/pull/28038#pullrequestreview-3392411212