Remove TRACE function leftover from value class prototyping of serialization.
------------- Commit messages: - 8378728: [lworld] Remove TRACE from ObjectInputStream Changes: https://git.openjdk.org/valhalla/pull/2174/files Webrev: https://webrevs.openjdk.org/?repo=valhalla&pr=2174&range=00 Issue: https://bugs.openjdk.org/browse/JDK-8378728 Stats: 35 lines in 3 files changed: 0 ins; 33 del; 2 mod Patch: https://git.openjdk.org/valhalla/pull/2174.diff Fetch: git fetch https://git.openjdk.org/valhalla.git pull/2174/head:pull/2174 PR: https://git.openjdk.org/valhalla/pull/2174
