[code-reflection] Integrated: Switch to using optkl.Txfrmr where possible

[Gary Frost]

Slowly switching all funcOp.transform() calls to  use Txfrmr.transform

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Commit messages:
 - Switch to using optkl.Txfrmr where possible

Changes: https://git.openjdk.org/babylon/pull/809/files
  Webrev: https://webrevs.openjdk.org/?repo=babylon&pr=809&range=00
  Stats: 439 lines in 23 files changed: 107 ins; 245 del; 87 mod
  Patch: https://git.openjdk.org/babylon/pull/809.diff
  Fetch: git fetch https://git.openjdk.org/babylon.git pull/809/head:pull/809

PR: https://git.openjdk.org/babylon/pull/809