RFR: 8332130: RISC-V: remove wrong instructions of Vector Crypto Extension

[Hamlin Li]

Hi,
Can you help to reivew this simple patch to remove some wrong instrunctions on riscv?
Thanks

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Commit messages:
 - Initial commit

Changes: https://git.openjdk.org/jdk/pull/19211/files
  Webrev: https://webrevs.openjdk.org/?repo=jdk&pr=19211&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8332130
  Stats: 5 lines in 1 file changed: 0 ins; 5 del; 0 mod
  Patch: https://git.openjdk.org/jdk/pull/19211.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/19211/head:pull/19211

PR: https://git.openjdk.org/jdk/pull/19211