[jdk21u-dev] RFR: 8334305: Remove all code for nsk.share.Log verbose mode

[Goetz Lindenmaier]

I backport this for parity with 21.0.7-oracle

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Commit messages:
 - Backport 855c8a7def21025bc2fc47594f7285a55924c213

Changes: https://git.openjdk.org/jdk21u-dev/pull/1334/files
  Webrev: https://webrevs.openjdk.org/?repo=jdk21u-dev&pr=1334&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8334305
  Stats: 130 lines in 13 files changed: 0 ins; 100 del; 30 mod
  Patch: https://git.openjdk.org/jdk21u-dev/pull/1334.diff
  Fetch: git fetch https://git.openjdk.org/jdk21u-dev.git pull/1334/head:pull/1334

PR: https://git.openjdk.org/jdk21u-dev/pull/1334