message: Remove tf_inspect patching.
  This is no longer necessary, and no longer works.
diff: @@ -48,15 +48,9 @@ from tensorflow_docs.api_generator import parser
  from tensorflow_docs.api_generator import public_api
  from tensorflow_docs.api_generator import utils
  -from tensorflow.python.util import tf_inspect
  -
  -
  # tfio doesn't eagerly import submodules.
  utils.recursive_import(tfio)
  -# Use tensorflow's `tf_inspect`, which is aware of `tf_decorator`.
  -parser.tf_inspect = tf_inspect
  -
  PROJECT_SHORT_NAME = 'tfio'
  PROJECT_FULL_NAME = 'TensorFlow I/O'
  