Please review this mostly trivial change to clean up comments, and revert some unneeded changes for valhalla. I removed flatArrayOop.cpp because it was empty.
Tested with tier1-3, tier1 testing on macosx-aarch64 in progress. --------- - [x] I confirm that I make this contribution in accordance with the [OpenJDK Interim AI Policy](https://openjdk.org/legal/ai). ------------- Commit messages: - oops cleanups Changes: https://git.openjdk.org/valhalla/pull/2479/files Webrev: https://webrevs.openjdk.org/?repo=valhalla&pr=2479&range=00 Issue: https://bugs.openjdk.org/browse/JDK-8385553 Stats: 113 lines in 9 files changed: 2 ins; 48 del; 63 mod Patch: https://git.openjdk.org/valhalla/pull/2479.diff Fetch: git fetch https://git.openjdk.org/valhalla.git pull/2479/head:pull/2479 PR: https://git.openjdk.org/valhalla/pull/2479
