Removing useless grammar entries. Fixes bug #4919.
Removing useless grammar entries. Fixes bug #4919.

Zimmi48/coq,gares/coq,Lionel-Rieg/coq,SkySkimmer/coq,maximedenes/coq,ppedrot/coq,amintimany/coq,ppedrot/coq,Lionel-Rieg/coq,amintimany/coq,coq/coq,ppedrot/coq,ppedrot/coq,letouzey/coq-wip,letouzey/coq-wip,william-lawvere/coq,ejgallego/coq,Ptival/coq,Zimmi48/coq,ejgallego/coq,letouzey/coq-wip,Zimmi48/coq,Matafou/coq,william-lawvere/coq,letouzey/coq-wip,SkySkimmer/coq,maximedenes/coq,gares/coq,coq/coq,JasonGross/coq,Ptival/coq,Ptival/coq,gares/coq,silene/coq,maximedenes/coq,ejgallego/coq,JasonGross/coq,amintimany/coq,JasonGross/coq,maximedenes/coq,ppedrot/coq,Matafou/coq,JasonGross/coq,SkySkimmer/coq,william-lawvere/coq,ejgallego/coq,gares/coq,SkySkimmer/coq,maximedenes/coq,coq/coq,silene/coq,letouzey/coq-wip,silene/coq,coq/coq,gares/coq,Lionel-Rieg/coq,Zimmi48/coq,Matafou/coq