RFR: 8370257: Remove ProblemListed tests from ProblemList.txt

[David Holmes]

The tests were ProblemListed due to warnings generated by the LockingMode changes leading up to its removal by JDK-8344261 (sub-tasks thereof). Those entries can now be removed.

Testing
- tiers 1-3

Thanks

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Commit messages:
 - 8370257: Remove ProblemListed tests from ProblemList.txt

Changes: https://git.openjdk.org/jdk/pull/27910/files
  Webrev: https://webrevs.openjdk.org/?repo=jdk&pr=27910&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8370257
  Stats: 5 lines in 1 file changed: 0 ins; 4 del; 1 mod
  Patch: https://git.openjdk.org/jdk/pull/27910.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/27910/head:pull/27910

PR: https://git.openjdk.org/jdk/pull/27910