Hot: Remove old commented code -- no real code has changed

include/core/processor/track_matrix.h

@@ -120,10 +120,7 @@ class TrackMatrix
         CaptureBasePtr  firstCapture(const SizeStd& _track_id) const;
 
         // tracks across captures that belong to keyframe
-//        SizeStd         numKeyframeTracks();
         Track           trackAtKeyframes(size_t _track_id) const;
-//        bool            markKeyframe(CaptureBasePtr _capture);
-//        bool            unmarkKeyframe(CaptureBasePtr _capture);
 
         const map<SizeStd, Track>& getTracks() const {return tracks_;}
         const map<CaptureBasePtr, Snapshot >& getSnapshots() const {return snapshots_;}
@@ -134,8 +131,6 @@ class TrackMatrix
 
         // tracks across all Captures
         map<SizeStd, Track > tracks_;       // map indexed by track_Id   of ( maps indexed by TimeStamp  of ( features ) )
-//        // tracks across captures that belong to keyframe
-//        map<size_t, Track > tracks_kf_;    // map indexed by track_Id   of ( maps indexed by TimeStamp  of ( features ) )
 
         // Across track: maps of Feature pointers indexed by track_Id.
         map<CaptureBasePtr, Snapshot > snapshots_; // map indexed by capture_ptr of ( maps indexed by track_Id of ( features ) )