This cleans up some left over un-used imports and one variable that was left behind.
------------- Commit messages: - 8344578 Changes: https://git.openjdk.org/jdk/pull/22260/files Webrev: https://webrevs.openjdk.org/?repo=jdk&pr=22260&range=00 Issue: https://bugs.openjdk.org/browse/JDK-8344578 Stats: 12 lines in 4 files changed: 0 ins; 12 del; 0 mod Patch: https://git.openjdk.org/jdk/pull/22260.diff Fetch: git fetch https://git.openjdk.org/jdk.git pull/22260/head:pull/22260 PR: https://git.openjdk.org/jdk/pull/22260
