update cut_mix_mix_up_and_rand_augment (#899)
update cut_mix_mix_up_and_rand_augment (#899)

* Update cut_mix_mix_up_and_rand_augment.py

Remove sentence about decorating with `tf.function`.  `tf.Dataset` does it for you. @lukewood

* Update cut_mix_mix_up_and_rand_augment.py
keras-team/keras-io,keras-team/keras-io