Revert "Add user privacy sensitivity APIs."

This reverts commit 56c0aa6573b8418f5184af96b0af20611576f8ed.

Reason for revert: No longer needed.
Bug: 188435815
Test: presubmit
Change-Id: I5403baf2adcf2a3f9a4573a69db125e57f5670c5
2 files changed