DEVKIT_LIB_DIR is defined in the autoconf m4 files, but it is not used outside of them. So we probably can remove it.
--------- - [x] I confirm that I make this contribution in accordance with the [OpenJDK Interim AI Policy](https://openjdk.org/legal/ai). ------------- Commit messages: - JDK-8387596 Changes: https://git.openjdk.org/jdk/pull/31737/files Webrev: https://webrevs.openjdk.org/?repo=jdk&pr=31737&range=00 Issue: https://bugs.openjdk.org/browse/JDK-8387596 Stats: 9 lines in 1 file changed: 0 ins; 8 del; 1 mod Patch: https://git.openjdk.org/jdk/pull/31737.diff Fetch: git fetch https://git.openjdk.org/jdk.git pull/31737/head:pull/31737 PR: https://git.openjdk.org/jdk/pull/31737
