message: Remove verbose=0 from model.fit doctests.
diff: @@ -416,7 +416,7 @@ class Model(network.Network, version_utils.ModelVersionSelector):
  >>> x = np.random.random((2, 3))
  >>> y = np.random.randint(0, 2, (2, 2))
  - >>> model.fit(x, y, verbose=0)
  + >>> model.fit(x, y)
  >>> [m.name for m in model.metrics]
  ['loss', 'mae']
  @@ -429,7 +429,7 @@ class Model(network.Network, version_utils.ModelVersionSelector):
  >>> model.add_metric(
  ... tf.reduce_sum(output_2), name='mean', aggregation='mean')
  >>> model.compile(optimizer="Adam", loss="mse", metrics=["mae", "acc"])
  - >>> model.fit(x, (y, y), verbose=0)
  + >>> model.fit(x, (y, y))
  >>> [m.name for m in model.metrics]
  ['loss', 'out_loss', 'out_1_loss', 'out_mae', 'out_acc', 'out_1_mae',
  'out_1_acc', 'mean']
  