TST: Remove some viz statements that were prolly here for debugging.
TST: Remove some viz statements that were prolly here for debugging.

matthieudumont/dipy,nilgoyyou/dipy,villalonreina/dipy,nilgoyyou/dipy,FrancoisRheaultUS/dipy,matthieudumont/dipy,FrancoisRheaultUS/dipy,villalonreina/dipy,StongeEtienne/dipy,StongeEtienne/dipy