Remove sqlops referece from server reports extension (#7212)

samples/serverReports/src/controllers/mainController.ts

@@ -5,7 +5,6 @@
 
 'use strict';
 
-import * as sqlops from 'sqlops';
 import * as azdata from 'azdata';
 import * as Utils from '../utils';
 import ControllerBase from './controllerBase';

samples/serverReports/src/typings/ref.d.ts

@@ -0,0 +1,8 @@
+/*---------------------------------------------------------------------------------------------
+ *  Copyright (c) Microsoft Corporation. All rights reserved.
+ *  Licensed under the Source EULA. See License.txt in the project root for license information.
+ *--------------------------------------------------------------------------------------------*/
+
+/// <reference path='../../../../src/sql/azdata.d.ts'/>
+/// <reference path='../../../../src/sql/azdata.proposed.d.ts'/>
+/// <reference types='@types/node'/>