remove uses of SM APIs from the java.datatransfer module. Also cleans up the now un-needed export from java.base
------------- Commit messages: - 8344065 Changes: https://git.openjdk.org/jdk/pull/22127/files Webrev: https://webrevs.openjdk.org/?repo=jdk&pr=22127&range=00 Issue: https://bugs.openjdk.org/browse/JDK-8344065 Stats: 32 lines in 3 files changed: 0 ins; 18 del; 14 mod Patch: https://git.openjdk.org/jdk/pull/22127.diff Fetch: git fetch https://git.openjdk.org/jdk.git pull/22127/head:pull/22127 PR: https://git.openjdk.org/jdk/pull/22127