Remove unused function (#2515)

Co-authored-by: mergify[bot] <37929162+mergify[bot]@users.noreply.github.com>

packages/contracts/test/helpers/resolver/address-manager.ts

@@ -15,7 +15,3 @@ export const setProxyTarget = async (
   await SimpleProxy.setTarget(target.address)
   await AddressManager.setAddress(name, SimpleProxy.address)
 }
-
-export const makeAddressManager = async (): Promise<Contract> => {
-  return (await ethers.getContractFactory('Lib_AddressManager')).deploy()
-}