RFR: 8362592: Remove unused argument in nmethod::oops_do

[Albert Mingkun Yang]

Trivial removing dead code.

-------------

Commit messages:
 - nmethod-trivial

Changes: https://git.openjdk.org/jdk/pull/26385/files
  Webrev: https://webrevs.openjdk.org/?repo=jdk&pr=26385&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8362592
  Stats: 7 lines in 5 files changed: 0 ins; 1 del; 6 mod
  Patch: https://git.openjdk.org/jdk/pull/26385.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/26385/head:pull/26385

PR: https://git.openjdk.org/jdk/pull/26385