BELLEVILLE — Joy Schreiber is the rare elected official who hopes voters get a chance to kick her out of office. The Belleville Township trustee is among a group of local officials who want to shut down a unit of government that shares a name and exact boundaries with the southern Illinois city. Unlike most of Illinois’ other 1,429 townships, it doesn’t assess property taxes or handle road maintenance. Its role is to provide temporary financial assistance to several dozen needy families annually …