RFR: 8339019: Obsolete the UseLinuxPosixThreadCPUClocks flag

[Kim Barrett]

On Fri, 6 Dec 2024 04:51:49 GMT, David Holmes <dholmes at openjdk.org> wrote:

> The UseLinuxPosixThreadCPUClocks flag was deprecated in 24 and should be obsoleted in 25. 
> 
> Testing: tiers 1-3 sanity
> 
> Thanks

Looks good.

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Marked as reviewed by kbarrett (Reviewer).

PR Review: https://git.openjdk.org/jdk/pull/22595#pullrequestreview-2488999221