RFR: 8357854: Parallel: Inline args of PSOldGen::initialize_performance_counters

[Albert Mingkun Yang]

Trivial inlining some args in leaf-callee to avoid carrying them in the call-chain.

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Commit messages:
 - pgc-remove-unused-arg

Changes: https://git.openjdk.org/jdk/pull/25466/files
  Webrev: https://webrevs.openjdk.org/?repo=jdk&pr=25466&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8357854
  Stats: 17 lines in 3 files changed: 0 ins; 3 del; 14 mod
  Patch: https://git.openjdk.org/jdk/pull/25466.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/25466/head:pull/25466

PR: https://git.openjdk.org/jdk/pull/25466