We can remove the isXP() function from jabswitch.cpp because it deals with very ancient Windows versions we do not support any 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-8387674 Changes: https://git.openjdk.org/jdk/pull/31881/files Webrev: https://webrevs.openjdk.org/?repo=jdk&pr=31881&range=00 Issue: https://bugs.openjdk.org/browse/JDK-8387674 Stats: 22 lines in 1 file changed: 0 ins; 19 del; 3 mod Patch: https://git.openjdk.org/jdk/pull/31881.diff Fetch: git fetch https://git.openjdk.org/jdk.git pull/31881/head:pull/31881 PR: https://git.openjdk.org/jdk/pull/31881
