Remove redundant SecurityManager, AccessController references (following on from JDK-8338411: Implement JEP 486: Permanently Disable the Security Manager).
------------- Commit messages: - 8344177: Remove SecurityManager and related calls from src/java.management Changes: https://git.openjdk.org/jdk/pull/22100/files Webrev: https://webrevs.openjdk.org/?repo=jdk&pr=22100&range=00 Issue: https://bugs.openjdk.org/browse/JDK-8344177 Stats: 1439 lines in 51 files changed: 10 ins; 1240 del; 189 mod Patch: https://git.openjdk.org/jdk/pull/22100.diff Fetch: git fetch https://git.openjdk.org/jdk.git pull/22100/head:pull/22100 PR: https://git.openjdk.org/jdk/pull/22100
