message: PSv2: Remove the docstring that states GPU is not supported as it's now being fully supported.
diff: @@ -407,9 +407,6 @@ class ParameterServerStrategyV2(distribute_lib.Strategy):
  * `tf.distribute.experimental.ParameterServerStrategy` in TF2 is experimental,
  and the API is subject to further changes.
  - * `tf.distribute.experimental.ParameterServerStrategy` does not yet support
  - training with GPU(s). This is a feature request being developed.
  -
  * When using `Model.fit`, `tf.distribute.experimental.ParameterServerStrategy`
  must be used with a `tf.keras.utils.experimental.DatasetCreator`, and
  `steps_per_epoch` must be specified.
  