Remove the stubbed TimeZoneDetectorService. Priorities dictated that it not be worked on so it has never been used. This reverts commit7fb88c3928. Bug: 112827764 Bug: 78217059 Test: build / boot Change-Id: I39ed2fc7f8de8d4b2c0d883cd264cc126579af27 Merged-In: I39ed2fc7f8de8d4b2c0d883cd264cc126579af27 (cherry picked from commitf4894d391b)