[jdk21u-dev] RFR: 8354255: [jittester] Remove TempDir debug output

[Goetz Lindenmaier]

I backport this test change as it also goes to 21.0.9-oracle

-------------

Commit messages:
 - Backport 1fc1cc5da9a38cf936636a72f9b8a4c246ceaab4

Changes: https://git.openjdk.org/jdk21u-dev/pull/1799/files
  Webrev: https://webrevs.openjdk.org/?repo=jdk21u-dev&pr=1799&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8354255
  Stats: 4 lines in 1 file changed: 0 ins; 3 del; 1 mod
  Patch: https://git.openjdk.org/jdk21u-dev/pull/1799.diff
  Fetch: git fetch https://git.openjdk.org/jdk21u-dev.git pull/1799/head:pull/1799

PR: https://git.openjdk.org/jdk21u-dev/pull/1799