A few trivial(?) cleanups to `java.lang.runtime.ObjectMethods`: - Avoid `MethodType.fromDescriptorString` which needs a classloader - Use `MethodHandles.zero` - Remove unused static `MethodHandles` and `MethodTypes`
------------- Commit messages: - 8339592: Simplify and remove unused code in ObjectMethods.<clinit> Changes: https://git.openjdk.org/jdk/pull/20866/files Webrev: https://webrevs.openjdk.org/?repo=jdk&pr=20866&range=00 Issue: https://bugs.openjdk.org/browse/JDK-8339592 Stats: 40 lines in 1 file changed: 0 ins; 21 del; 19 mod Patch: https://git.openjdk.org/jdk/pull/20866.diff Fetch: git fetch https://git.openjdk.org/jdk.git pull/20866/head:pull/20866 PR: https://git.openjdk.org/jdk/pull/20866
