[jdk17u-dev] RFR: 8312916: Remove remaining usages of -Xdebug from test/hotspot/jtreg

[Goetz Lindenmaier]

I backport this for parity with 17.0.12-oracle.

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Commit messages:
 - Backport e9daf4a0185b90762d2bdd38d86fe93b4822ea08

Changes: https://git.openjdk.org/jdk17u-dev/pull/2362/files
  Webrev: https://webrevs.openjdk.org/?repo=jdk17u-dev&pr=2362&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8312916
  Stats: 6 lines in 3 files changed: 0 ins; 4 del; 2 mod
  Patch: https://git.openjdk.org/jdk17u-dev/pull/2362.diff
  Fetch: git fetch https://git.openjdk.org/jdk17u-dev.git pull/2362/head:pull/2362

PR: https://git.openjdk.org/jdk17u-dev/pull/2362