public synchronized void dispose() throws IOException {
		functionMap.dispose();
		functionAdapter.deleteTable(dbHandle);
		stackVarAdapter.deleteTable(dbHandle);
		registerAdapter.deleteTable(dbHandle);

		// Remove Function variable tables which were never employed
		dbHandle.deleteTable("Function Variables");
		dbHandle.deleteTable("Function Var Ranges");
	}
Permanently discards all data resources associated with the old function manager.
This should be invoked when an upgrade of all function data has been completed.
@throws IOException
Ghidra/Framework/SoftwareModeling/src/main/java/ghidra/program/database/oldfunction/OldFunctionManager.java