Remove about field from world location
Remove about field from world location

It was removed by a previous migration but the schema wasn't updated
properly

askl56/whitehall,ggoral/whitehall,ggoral/whitehall,alphagov/whitehall,ggoral/whitehall,hotvulcan/whitehall,robinwhittleton/whitehall,YOTOV-LIMITED/whitehall,hotvulcan/whitehall,hotvulcan/whitehall,alphagov/whitehall,YOTOV-LIMITED/whitehall,askl56/whitehall,ggoral/whitehall,hotvulcan/whitehall,robinwhittleton/whitehall,alphagov/whitehall,robinwhittleton/whitehall,askl56/whitehall,alphagov/whitehall,askl56/whitehall,robinwhittleton/whitehall,YOTOV-LIMITED/whitehall,YOTOV-LIMITED/whitehall