RFR: 8345658: WB_NMTCommitMemory redundantly records an NMT tag

[Stefan Karlsson]

This functions is called after an previous calls to WB_NMTReserveMemory and WB_NMTAttemptReserveMemoryAt, which both already registered an NMT tag. So, explicitly recording an NMT tag for this memory is redundant and slightly confusing.

The HotSpot JVM code does not record NMT tags when committing memory (except in a special case on Windows when mapping file memory).

Tested with tier1-3.

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Commit messages:
 - 8345658: WB_NMTCommitMemory redundantly records an NMT tag

Changes: https://git.openjdk.org/jdk/pull/22601/files
  Webrev: https://webrevs.openjdk.org/?repo=jdk&pr=22601&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8345658
  Stats: 2 lines in 1 file changed: 0 ins; 2 del; 0 mod
  Patch: https://git.openjdk.org/jdk/pull/22601.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/22601/head:pull/22601

PR: https://git.openjdk.org/jdk/pull/22601