got rid of h5y... import

proxtoolbox/Problems/Phase/phase.py

@@ -7,7 +7,7 @@ from proxtoolbox.ProxOperators.proxoperators import ProxOperator
 from proxtoolbox.Problems.Phase import Graphics
 from numpy.linalg import norm
 import numpy as np
-import h5py
+# import h5py
 from numpy import square, sqrt, nonzero, size