message: remove docstring from op def
diff: @@ -969,11 +969,7 @@ REGISTER_OP("ArgMax")
  .Attr("T: numbertype")
  .Attr("Tidx: {int32, int64} = DT_INT32")
  .Attr("output_type: {int32, int64} = DT_INT64")
  - .SetShapeFn(ArgOpShape)
  - .Doc(R"doc(Returns the index with the largest value across axes of a tensor.
  -inputs: Must all be the same size and shape.
  -Note that in case of ties the identity of the return value is not guaranteed.
  -)doc");
  + .SetShapeFn(ArgOpShape);
  REGISTER_OP("ArgMin")
  .Input("input: T")
  @@ -982,11 +978,7 @@ REGISTER_OP("ArgMin")
  .Attr("T: numbertype")
  .Attr("Tidx: {int32, int64} = DT_INT32")
  .Attr("output_type: {int32, int64} = DT_INT64")
  - .SetShapeFn(ArgOpShape)
  - .Doc(R"doc(Returns the index with the smallest value across axes of a tensor.
  -inputs: Must all be the same size and shape.
  -Note that in case of ties the identity of the return value is not guaranteed.
  -)doc");
  + .SetShapeFn(ArgOpShape);
  namespace {
  