Removed the manual file tidyup on the expectation that jtreg will sort that all out. Switched to using Utils.createTempFile() while I was there.
------------- Commit messages: - Remove file cleanup and switch to Utils.createTempFile() Changes: https://git.openjdk.org/jdk/pull/29783/files Webrev: https://webrevs.openjdk.org/?repo=jdk&pr=29783&range=00 Issue: https://bugs.openjdk.org/browse/JDK-8378118 Stats: 46 lines in 1 file changed: 2 ins; 23 del; 21 mod Patch: https://git.openjdk.org/jdk/pull/29783.diff Fetch: git fetch https://git.openjdk.org/jdk.git pull/29783/head:pull/29783 PR: https://git.openjdk.org/jdk/pull/29783
