Why have the IPCC removed the following statement from the record: "The climate system is a coupled non-linear chaotic system, and therefore the long-term prediction of future exact climate states is not possible."?

https://www.quora.com/Why-have-the-IPCC-removed-the-following-statement-from-the-record-The-climate-system-is-a-coupled-non-linear-chaotic-system-and-therefore-the-long-term-prediction-of-future-exact-climate-states-is-not-possible