RFR: 8367424: Cleanup unused time_remaining_ms update in G1CollectionSet::select_optional_groups

[duke]

On Thu, 11 Sep 2025 15:29:02 GMT, Guanqiang Han <ghan at openjdk.org> wrote:

> Please review this PR. This is a trivial change that simply removes unused code.

@hgqxjj 
Your change (at version 97f9dfb548c6e371f84ed23010dd80e1fc564bec) is now ready to be sponsored by a Committer.

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PR Comment: https://git.openjdk.org/jdk/pull/27229#issuecomment-3284209042