message: Use the correct types
diff: +type Town = import('../lib/town/_common').Town
  +type NPC = import('../lib/npc-generation/_common').NPC
  +
  interface Setup {
  init(): void
  npcTaxRate(town: Town, npc: NPC): number
  @@ -17,14 +20,6 @@ interface Setup {
  createGuard(town: Town): any
  }
  -interface Town {
  - [key: string]: any
  -}
  -
  -interface NPC {
  - [key: string]: any
  -}
  -
  interface CreateNameParameters {
  race?: string
  gender?: string
  