RFR: 8355648: Thread.SpinAcquire()'s lock name parameter is not used

[Zhengyu Gu]

Please review this trivial change that removes unused lock name parameter.

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Commit messages:
 - 8355648: Thread.SpinAcquire()'s lock name parameter is not used

Changes: https://git.openjdk.org/jdk/pull/24901/files
  Webrev: https://webrevs.openjdk.org/?repo=jdk&pr=24901&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8355648
  Stats: 15 lines in 5 files changed: 0 ins; 4 del; 11 mod
  Patch: https://git.openjdk.org/jdk/pull/24901.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/24901/head:pull/24901

PR: https://git.openjdk.org/jdk/pull/24901