Revert "Walk internal ArtField/ArtMethod pointers"

This reverts commit c84fc3a742b160ce51cbf01c2e5f971ccc0a2c6c.

Bug: 134162467

Reason for revert: Test fails on debuggable.

Change-Id: I240d58fafcc7434749947330b64c67d65b9b7a1e
38 files changed