Abstract away the variable section check in Evarutil.check_and_clear_in_constr.
Abstract away the variable section check in Evarutil.check_and_clear_in_constr.

This centralizes the calls to Global.env in this series of functions.

SkySkimmer/coq,Zimmi48/coq,Zimmi48/coq,coq/coq,coq/coq,ejgallego/coq,Zimmi48/coq,ejgallego/coq,Zimmi48/coq,ejgallego/coq,SkySkimmer/coq,ejgallego/coq,SkySkimmer/coq,SkySkimmer/coq,coq/coq,coq/coq