removing docco.css from plain-markdown layout dir
removing docco.css from plain-markdown layout dir

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