[crac] RFR: 8348934: [CRaC] Drop CRTrace VM option

[duke]

On Wed, 29 Jan 2025 08:37:41 GMT, Timofei Pushkin <tpushkin at openjdk.org> wrote:

> Obsoletes `CRTrace` VM option in favor of unified JVM logging.
> 
> Now it prints
> 
> [0.180s][info][crac] Checkpoint ...
> 
> rather than
> 
> CR: Checkpoint ...
> 
> 
> Logging level for `crac` is programmatically set to `Info` (from the default `Warn`) and the level of a few other messages was reduced to `debug`.

@TimPushkin 
Your change (at version 8ef2b821d4475d8811b7d64daec90aacdc1c03e1) is now ready to be sponsored by a Committer.

-------------

PR Comment: https://git.openjdk.org/crac/pull/198#issuecomment-2622545285