message: Removes unnecessary unique id for defun (unlike Defun), defun can take non-unique function name for a process.
diff: @@ -1808,8 +1808,7 @@ class StructuredFunctionWrapper(object):
  ".", "_")[:-2] if len(transformation_name) > 2 else ""
  self._func_name = "_".join([
  readable_transformation_name,
  - function_utils.get_func_name(func),
  - str(ops.uid())
  + function_utils.get_func_name(func)
  ])
  # TODO(b/110122868): Enable this support for all `tf.data` functions.
  