RFR: 8357951: Remove the IdealLoopTree* loop parameter from PhaseIdealLoop::loop_iv_phi

[Benoît Maillard]

This PR removes unused parameters, namely `IdealLoopTree* loop` from `PhaseIdealLoop::loop_iv_phi` and `PhaseIdealLoop::loop_iv_stride`

Best regards!

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

Commit messages:
 - 8357951: Fix bad automatic renaming
 - 8357951: Remove unused parameters from PhaseIdealLoop::loop_iv_stride and PhaseIdealLoop::loop_iv_phi

Changes: https://git.openjdk.org/jdk/pull/25659/files
  Webrev: https://webrevs.openjdk.org/?repo=jdk&pr=25659&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8357951
  Stats: 10 lines in 3 files changed: 0 ins; 0 del; 10 mod
  Patch: https://git.openjdk.org/jdk/pull/25659.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/25659/head:pull/25659

PR: https://git.openjdk.org/jdk/pull/25659