MigratedValueClass was previously used by javac and now is no longer necessary for our build system based value class conversion. The annotation can be nuked given we have the `/*value*/` stubs.
We think that when in doubt, it's better to drop unnecessary changes, such as this MVC annotation. --------- - [x] I confirm that I make this contribution in accordance with the [OpenJDK Interim AI Policy](https://openjdk.org/legal/ai). ------------- Commit messages: - Remove decorative MigratedValueClass Changes: https://git.openjdk.org/valhalla/pull/2532/files Webrev: https://webrevs.openjdk.org/?repo=valhalla&pr=2532&range=00 Issue: https://bugs.openjdk.org/browse/JDK-8386290 Stats: 74 lines in 32 files changed: 0 ins; 73 del; 1 mod Patch: https://git.openjdk.org/valhalla/pull/2532.diff Fetch: git fetch https://git.openjdk.org/valhalla.git pull/2532/head:pull/2532 PR: https://git.openjdk.org/valhalla/pull/2532
