Remove tslint disabling

extensions/npm/src/main.ts

@@ -2,7 +2,6 @@
  *  Copyright (c) Microsoft Corporation. All rights reserved.
  *  Licensed under the MIT License. See License.txt in the project root for license information.
  *--------------------------------------------------------------------------------------------*/
-//tslint:disable
 'use strict';
 
 import * as path from 'path';