Prevent these locations from having an important item.
Available groups (case sensitive): Farmers, Workers, Artisans, Engineers, Investors, Tourists,
Jornaleros, Obreros, Artistas, Explorers, Technicians, Shepherds, Elders, Scholars, Skyscrapers,
Skyscrapers: Level 5, Enter: New World, Enter: The Arctic, Enter: Enbesa, Recipes, Restaurant Recipes,
Cafe Recipes, Bar Recipes, The Iron Tower Recipes, Department Store Recipes, Furniture Store Recipes,
Drug Store Recipes