[Manual] Clean examples about `inversion` tactic
[Manual] Clean examples about `inversion` tactic

Zimmi48/coq,gares/coq,gares/coq,ppedrot/coq,ejgallego/coq,coq/coq,SkySkimmer/coq,JasonGross/coq,silene/coq,ppedrot/coq,silene/coq,coq/coq,ppedrot/coq,JasonGross/coq,coq/coq,Matafou/coq,coq/coq,Zimmi48/coq,JasonGross/coq,ejgallego/coq,JasonGross/coq,SkySkimmer/coq,gares/coq,gares/coq,ejgallego/coq,Zimmi48/coq,ejgallego/coq,Matafou/coq,gares/coq,SkySkimmer/coq,ppedrot/coq,Matafou/coq,Zimmi48/coq,silene/coq,ppedrot/coq,SkySkimmer/coq