remove unused modules

packages/contract-wrappers/test/utils/deployer.ts

@@ -1,18 +0,0 @@
-import { Deployer } from '@0xproject/deployer';
-import { devConstants } from '@0xproject/dev-utils';
-import * as path from 'path';
-
-import { constants } from './constants';
-
-import { provider } from './web3_wrapper';
-
-const artifactsDir = path.resolve('test', 'artifacts');
-const deployerOpts = {
-    artifactsDir,
-    provider,
-    networkId: constants.TESTRPC_NETWORK_ID,
-    defaults: {
-        gas: devConstants.GAS_ESTIMATE,
-    },
-};
-export const deployer = new Deployer(deployerOpts);