Revert "Telephony: fix Blacklist support for L (2/3)"

This reverts commit 139f9c2f189f27ed9c7bdb8256ddbdbda1f91930.
Revert "Telephony: add blacklist call logging (2/3)"

This reverts commit 84227e847e46ef7f35b8b97c70b1aea331b75afe.
Revert "Move message blacklist to framework (2/3)."

This reverts commit af42d778e3a179e79659cbbe840a2b7b94b8bb9b.
Revert "Add back call blacklist backend."

This reverts commit 0f0e6daf591f697aa5735ec1fe42228c824653e4.