Removes deprecated property tfd.OneHotCategorical.event_size.

PiperOrigin-RevId: 286196220

tensorflow_probability/python/distributions/onehot_categorical.py

@@ -29,7 +29,6 @@
 from tensorflow_probability.python.internal import reparameterization
 from tensorflow_probability.python.internal import tensor_util
 from tensorflow_probability.python.internal import tensorshape_util
-from tensorflow.python.util import deprecation  # pylint: disable=g-direct-tensorflow-import
 
 
 class OneHotCategorical(distribution.Distribution):
@@ -135,16 +134,6 @@ def __init__(self,
   def _params_event_ndims(cls):
     return dict(logits=1, probs=1)
 
-  @property
-  @deprecation.deprecated(
-      '2019-10-01', 'The `event_size` property is deprecated.  Use '
-      '`tf.shape(self.probs if self.logits is None else self.logits)[-1]` '
-      'instead.')
-  def event_size(self):
-    """Scalar `int32` tensor: the number of classes."""
-    with self._name_and_control_scope('event_size'):
-      return self._event_size()
-
   def _event_size(self, param=None):
     if param is None:
       param = self._logits if self._logits is not None else self._probs