message: Move out GSM label field
diff: @@ -62,13 +62,10 @@ typedef AlignedVector<LongIndex> LongIndexVector;
  typedef LongIndexVector GlobalIndexVector;
  struct Color;
  -typedef uint32_t Label;
  -typedef uint32_t LabelConfidence;
  // Pointcloud types for external interface.
  typedef AlignedVector<Point> Pointcloud;
  typedef AlignedVector<Color> Colors;
  -typedef AlignedVector<Label> Labels;
  // For triangle meshing/vertex access.
  typedef size_t VertexIndex;
  