How to hide "do something on load"
I haven't seen that message myself yet, but just came across a suggestion how to avoid that message. I suppose you're using the entityreference module? At least for what I know the message seems to come from there – so hopefully this hint helps you:


  To avoid some status messages like 'Do something on load', you should uncheck "Test behavior" in "Additional behaviors" section.


As far as I know the author is relating to the entityreference settings – here's the source: "how to render a node field of a referenced node on the node form". I hope it helps somehow.