RFR: 8345512: Removed intrinsics helper functions in ML-DSA and ML-KEM

[Ben Perez]

8345512: Removed intrinsics helper functions in ML-DSA and ML-KEM

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Commit messages:
 - Removed intrinsics helper functions in ML-DSA and ML-KEM

Changes: https://git.openjdk.org/jdk/pull/22561/files
  Webrev: https://webrevs.openjdk.org/?repo=jdk&pr=22561&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8345512
  Stats: 141 lines in 2 files changed: 14 ins; 107 del; 20 mod
  Patch: https://git.openjdk.org/jdk/pull/22561.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/22561/head:pull/22561

PR: https://git.openjdk.org/jdk/pull/22561