Some sys/utsname.h inclusions are not needed any more; one more has been named a bit too late in the review of [JDK-8393469](https://bugs.openjdk.org/browse/JDK-8393469), but there are more.
--------- - [x] I confirm that I make this contribution in accordance with the [OpenJDK Interim AI Policy](https://openjdk.org/legal/ai). ------------- Commit messages: - JDK-8394564 Changes: https://git.openjdk.org/jdk/pull/33364/files Webrev: https://webrevs.openjdk.org/?repo=jdk&pr=33364&range=00 Issue: https://bugs.openjdk.org/browse/JDK-8394564 Stats: 9 lines in 5 files changed: 0 ins; 9 del; 0 mod Patch: https://git.openjdk.org/jdk/pull/33364.diff Fetch: git fetch https://git.openjdk.org/jdk.git pull/33364/head:pull/33364 PR: https://git.openjdk.org/jdk/pull/33364
