Remove old code. Something is still not right here with smoothing not
even.
Former-commit-id: f1d5ac17714dbbf71aae5de61f7ed3c4538934ed
Former-commit-id: ec7f0d53d5ef132102808bcef83aea84453b0387
Former-commit-id: 81ca8195d1c72810e776de098086c00dc7aeecfc
Getting closer but still not quite right.
Former-commit-id: 7df2d4c45591ba8e71e073c29d61b73e25c38cf0
Former-commit-id: cb63ea1d1341f15a3b6d82fb6b0a6c842107bcf9
Former-commit-id: e3a69acf2949c0081381ca71214c673581712e93