revert unrelated schema changes that crept into last commit
revert unrelated schema changes that crept into last commit

ccarruitero/teambox,crewmate/crewmate,alx/teambox,crewmate/crewmate,irfanah/teambox,rahouldatta/teambox,nfredrik/teambox,vveliev/teambox,teambox/teambox,crewmate/crewmate,vveliev/teambox,nfredrik/teambox,teambox/teambox,rahouldatta/teambox,ccarruitero/teambox,vveliev/teambox,codeforeurope/samenspel,nfredrik/teambox,teambox/teambox,wesbillman/projects,rahouldatta/teambox,irfanah/teambox,nfredrik/teambox,irfanah/teambox,alx/teambox,wesbillman/projects,irfanah/teambox,codeforeurope/samenspel,vveliev/teambox