Revert "Add ".cson" to languages"
Revert "Add ".cson" to languages"

This reverts commit cc016a06b18283788adb3662b21e855fd38a4b06.

guigrpa/docco-extended,jrvidal/docco,DoomHammer/docco,oponder/docco,gvithellyna/docco,Hellyna/docco,ShawnHuang/docco-multidir,whitetrefoil/docco,jalleyne/docco,DoomHammer/docco,MaxwellRebo/docco,jrvidal/docco,tbremer/docco,MaxwellRebo/docco,jalleyne/docco,mhkeller/docco,robertmackenzie/docco,lobrien/docco,tbremer/docco,oponder/docco,lobrien/docco,lbn/docco,Hellyna/docco,lbn/docco,whitetrefoil/docco,guigrpa/docco,actano/docco,ShawnHuang/docco-multidir,guigrpa/docco-extended,robertmackenzie/docco,osharim/docco,guigrpa/docco,gvithellyna/docco,mhkeller/docco,osharim/docco