Please review this simple cleanup of an unused parameter in `create_system_thread_object`. Details are in JBS.
Testing: tiers 1-3 Thanks. ------------- Commit messages: - 8305936: JavaThread::create_system_thread_object has unused is_visible argument Changes: https://git.openjdk.org/jdk/pull/13455/files Webrev: https://webrevs.openjdk.org/?repo=jdk&pr=13455&range=00 Issue: https://bugs.openjdk.org/browse/JDK-8305936 Stats: 17 lines in 9 files changed: 0 ins; 2 del; 15 mod Patch: https://git.openjdk.org/jdk/pull/13455.diff Fetch: git fetch https://git.openjdk.org/jdk.git pull/13455/head:pull/13455 PR: https://git.openjdk.org/jdk/pull/13455
