[code-reflection] Integrated: Hat remove opwrapper 5

[Gary Frost]

Removed OpWrappers from callgraph creation.  

One more round of refactoring and OpWrappers should be gone.

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Commit messages:
 - removed opwrappers from callgraph creation
 - removed opwrappers from callgraph creation

Changes: https://git.openjdk.org/babylon/pull/540/files
  Webrev: https://webrevs.openjdk.org/?repo=babylon&pr=540&range=00
  Stats: 436 lines in 26 files changed: 60 ins; 116 del; 260 mod
  Patch: https://git.openjdk.org/babylon/pull/540.diff
  Fetch: git fetch https://git.openjdk.org/babylon.git pull/540/head:pull/540

PR: https://git.openjdk.org/babylon/pull/540