JLI_ReportErrorMessageSys is not used any more on Windows, so we can remove it and make it UNIX-only (there a still a few remaining usages).
------------- Commit messages: - JDK-8354189 Changes: https://git.openjdk.org/jdk/pull/24563/files Webrev: https://webrevs.openjdk.org/?repo=jdk&pr=24563&range=00 Issue: https://bugs.openjdk.org/browse/JDK-8354189 Stats: 77 lines in 3 files changed: 4 ins; 73 del; 0 mod Patch: https://git.openjdk.org/jdk/pull/24563.diff Fetch: git fetch https://git.openjdk.org/jdk.git pull/24563/head:pull/24563 PR: https://git.openjdk.org/jdk/pull/24563
