Revert "Basic structural redefinition support"

This reverts commit c971eafeff43e4e26959a6e86b62ab0a8f1a6e1c.

Bug: 134162467

Reason for revert: Breaks on redefine-stress

Change-Id: I4e38da23d65b5b34b26b5ab537a3583328e078a4
101 files changed