RFR: 8336915: Shenandoah: Remove unused ShenandoahVerifier::verify_after_evacuation

[duke]

On Fri, 26 Jul 2024 21:26:01 GMT, Satyen Subramaniam <duke at openjdk.org> wrote:

> Removing the `verify_after_evacuation()` function, since last use was removed in [JDK-8240868](https://bugs.openjdk.org/browse/JDK-8240868) as directed by [JDK-8336915](https://bugs.openjdk.org/browse/JDK-8336915)

@satyenme 
Your change (at version b28884204d277460da82f309481724f9b87d2c28) is now ready to be sponsored by a Committer.

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

PR Comment: https://git.openjdk.org/jdk/pull/20365#issuecomment-2291701903