Removing service calls which were just delegates to the provider utils.

These weren't used anywhere, and this change makes a more clear separation between dealing with track data and dealing with the recording service.

MyTracks/src/com/google/android/apps/mytracks/services/TrackRecordingService.java

@@ -980,12 +980,6 @@ public class TrackRecordingService extends Service implements LocationListener {
       return service.recordingTrackId;
     }
 
-    @Override
-    public boolean hasRecorded() {
-      checkService();
-      return service.providerUtils.getLastTrackId() >= 0;
-    }
-
     @Override
     public long startNewTrack() {
       checkService();
@@ -1009,15 +1003,6 @@ public class TrackRecordingService extends Service implements LocationListener {
       service.endCurrentTrack();
     }
 
-    @Override
-    public void deleteAllTracks() {
-      checkService();
-      if (isRecording()) {
-        throw new IllegalStateException("Cannot delete all tracks while recording!");
-      }
-      service.providerUtils.deleteAllTracks();
-    }
-
     @Override
     public void recordLocation(Location loc) {
       checkService();