[lworld] RFR: 8333087: [lworld] Undo problem listing and remove assert added due to JDK-8331766

[Tobias Hartmann]

The issue described by [JDK-8331766](https://bugs.openjdk.org/browse/JDK-8331766) does not reproduce anymore. Undo the problem listing and remove the corresponding assert.

Thanks,
Tobias

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Commit messages:
 - Undo problem listing and remove the assert

Changes: https://git.openjdk.org/valhalla/pull/1111/files
  Webrev: https://webrevs.openjdk.org/?repo=valhalla&pr=1111&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8333087
  Stats: 5 lines in 3 files changed: 0 ins; 5 del; 0 mod
  Patch: https://git.openjdk.org/valhalla/pull/1111.diff
  Fetch: git fetch https://git.openjdk.org/valhalla.git pull/1111/head:pull/1111

PR: https://git.openjdk.org/valhalla/pull/1111