[rewrite] Revert commenting of `Params` instance in Morphisms from #13969
[rewrite] Revert commenting of `Params` instance in Morphisms from #13969

ejgallego/coq,ejgallego/coq,coq/coq,coq/coq,ejgallego/coq,ejgallego/coq,SkySkimmer/coq,SkySkimmer/coq,SkySkimmer/coq,coq/coq,coq/coq,SkySkimmer/coq