Remove `doPrivileged` calls in the javafx.base module. The changes are straight forward. 1. Remove doPrivileged calls, with keeping the lambda expression. 2. Remove SuppressWarnings annotations 3. Remove unused imports
------------- Commit messages: - rm doPrivileged in javafx.base Changes: https://git.openjdk.org/jfx/pull/1625/files Webrev: https://webrevs.openjdk.org/?repo=jfx&pr=1625&range=00 Issue: https://bugs.openjdk.org/browse/JDK-8342459 Stats: 376 lines in 20 files changed: 17 ins; 159 del; 200 mod Patch: https://git.openjdk.org/jfx/pull/1625.diff Fetch: git fetch https://git.openjdk.org/jfx.git pull/1625/head:pull/1625 PR: https://git.openjdk.org/jfx/pull/1625
