message: doc review: remove useless 'legend=False'
diff: @@ -82,7 +82,7 @@ If you want more information on a specific dimension, for instance:
  persistence_file=persistence_file, only_this_dim=1)
  # Use subplots to display diagram and density side by side
  fig, axes = plt.subplots(nrows=1, ncols=2, figsize=(12, 5))
  - gudhi.plot_persistence_diagram(persistence=birth_death, axes=axes[0], legend=False)
  + gudhi.plot_persistence_diagram(persistence=birth_death, axes=axes[0])
  gudhi.plot_persistence_density(persistence=birth_death, axes=axes[1])
  plt.show()
  