Revert "Ensure that health check controller is unbound correctly"

This reverts commit 553c94bcabce0fb449a97da502969b20d1cffd16.

Reason for revert: Breaks NetworkStagedRollbackTest. Will re-submit change once I have a fix for that issue
Bug: 157662759
Change-Id: If81c01c597f37ff01924c8b038cbd38f77e7fa06
2 files changed