message: DiagramScaler removed from Entropy
diff: @@ -508,14 +508,7 @@ class Entropy(BaseEstimator, TransformerMixin):
  new_X = BirthPersistenceTransform().fit_transform(X)
  for i in range(num_diag):
  - orig_diagram, diagram, num_pts_in_diag = X[i], new_X[i], X[i].shape[0]
  - try:
  - #new_diagram = DiagramScaler(use=True, scalers=[([1], MaxAbsScaler())]).fit_transform([diagram])[0]
  - new_diagram = DiagramScaler().fit_transform([diagram])[0]
  - except ValueError:
  - # Empty persistence diagram case - https://github.com/GUDHI/gudhi-devel/issues/507
  - assert len(diagram) == 0
  - new_diagram = np.empty(shape = [0, 2])
  + orig_diagram, new_diagram, num_pts_in_diag = X[i], new_X[i], X[i].shape[0]
  p = new_diagram[:,1]
  p = p/np.sum(p)
  