Convert test to the automatic main and move it from its own folder since it is no longer required.
------------- Commit messages: - 8328158: Convert java/awt/Choice/NonFocusablePopupMenuTest to automatic main test Changes: https://git.openjdk.org/jdk/pull/18300/files Webrev: https://webrevs.openjdk.org/?repo=jdk&pr=18300&range=00 Issue: https://bugs.openjdk.org/browse/JDK-8328158 Stats: 351 lines in 3 files changed: 94 ins; 257 del; 0 mod Patch: https://git.openjdk.org/jdk/pull/18300.diff Fetch: git fetch https://git.openjdk.org/jdk.git pull/18300/head:pull/18300 PR: https://git.openjdk.org/jdk/pull/18300
