This change removes MethodData code copied into SA that's out of date for the valhalla repo.
Tested with tier1-3. ------------- Commit messages: - Remove vmStructs defs - 8377797: SA MethodData is unused Changes: https://git.openjdk.org/jdk/pull/29693/files Webrev: https://webrevs.openjdk.org/?repo=jdk&pr=29693&range=00 Issue: https://bugs.openjdk.org/browse/JDK-8377797 Stats: 2799 lines in 31 files changed: 2 ins; 2788 del; 9 mod Patch: https://git.openjdk.org/jdk/pull/29693.diff Fetch: git fetch https://git.openjdk.org/jdk.git pull/29693/head:pull/29693 PR: https://git.openjdk.org/jdk/pull/29693
