Revert "privacy guard: Use LocationBlacklist for location filtering"

This reverts commit a08b2419493163832cbb44f8f85dfd36c3203f39.
Revert "Add missing @hide annotations for Privacy Guard"

This reverts commit d5ab64b6f687b29aad59871f5cdc11ec1d80117d.
Revert "framework: Privacy Guard"

This reverts commit daa3a0d74aa756b4d76ac5e9aaa7d7e4fa53bc81.