Since[ JDK-8317970](https://bugs.openjdk.org/browse/JDK-8317970) is integrated to make macOS 11 the minimum version to build jdk, the 10.13 check is not needed and can be removed from TabButtonAccessibility.m file.
------------- Commit messages: - macOS 10.13 check can be removed Changes: https://git.openjdk.org/jdk/pull/16218/files Webrev: https://webrevs.openjdk.org/?repo=jdk&pr=16218&range=00 Issue: https://bugs.openjdk.org/browse/JDK-8318104 Stats: 4 lines in 1 file changed: 0 ins; 3 del; 1 mod Patch: https://git.openjdk.org/jdk/pull/16218.diff Fetch: git fetch https://git.openjdk.org/jdk.git pull/16218/head:pull/16218 PR: https://git.openjdk.org/jdk/pull/16218
