Revert "Add debug output to brew update."
Revert "Add debug output to brew update."

This reverts commit c7465d2ecb69e64613dd38b262f5e78ecad99de1.

SkySkimmer/coq,SkySkimmer/coq,JasonGross/coq,ppedrot/coq,maximedenes/coq,silene/coq,SkySkimmer/coq,ejgallego/coq,ejgallego/coq,ppedrot/coq,ejgallego/coq,Zimmi48/coq,gares/coq,gares/coq,gares/coq,ppedrot/coq,coq/coq,Matafou/coq,ppedrot/coq,coq/coq,letouzey/coq-wip,gares/coq,maximedenes/coq,Zimmi48/coq,maximedenes/coq,JasonGross/coq,silene/coq,Zimmi48/coq,silene/coq,coq/coq,SkySkimmer/coq,gares/coq,Zimmi48/coq,letouzey/coq-wip,ppedrot/coq,maximedenes/coq,letouzey/coq-wip,letouzey/coq-wip,JasonGross/coq,maximedenes/coq,Matafou/coq,letouzey/coq-wip,Matafou/coq,JasonGross/coq,coq/coq,ejgallego/coq