message: Update a function's description to match its deprecation status.
diff: @@ -207,11 +207,8 @@ def map_and_batch(map_func,
  Maps `map_func` across `batch_size` consecutive elements of this dataset
  and then combines them into a batch. Functionally, it is equivalent to `map`
  - followed by `batch`. However, by fusing the two transformations together, the
  - implementation can be more efficient. Surfacing this transformation in the API
  - is temporary. Once automatic input pipeline optimization is implemented,
  - the fusing of `map` and `batch` will happen automatically and this API will be
  - deprecated.
  + followed by `batch`. This API is temporary and deprecated since input pipeline
  + optimization now fuses consecutive `map` and `batch` operations automatically.
  Args:
  map_func: A function mapping a nested structure of tensors to another
  