[jdk21u-dev] RFR: 8333824: Unused ClassValue in VarHandles

[Satyen Subramaniam]

Backporting JDK-8333824: Unused ClassValue in VarHandles. Removes completely unused code. Likely a leftover. Ran GHA Sanity Checks and local Tier 1 and Tier 2 tests. Patch should be clean.

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Commit messages:
 - Backport 7b43a8c

Changes: https://git.openjdk.org/jdk21u-dev/pull/1063/files
  Webrev: https://webrevs.openjdk.org/?repo=jdk21u-dev&pr=1063&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8333824
  Stats: 9 lines in 1 file changed: 0 ins; 9 del; 0 mod
  Patch: https://git.openjdk.org/jdk21u-dev/pull/1063.diff
  Fetch: git fetch https://git.openjdk.org/jdk21u-dev.git pull/1063/head:pull/1063

PR: https://git.openjdk.org/jdk21u-dev/pull/1063