Remove "client" folder in Agent extension (#1820)

* Remove "client" folder in Agent extension

* Alert dialog cleanups

extensions/agent/src/data/createOperatorData.ts

@@ -0,0 +1,25 @@
+/*---------------------------------------------------------------------------------------------
+ *  Copyright (c) Microsoft Corporation. All rights reserved.
+ *  Licensed under the Source EULA. See License.txt in the project root for license information.
+ *--------------------------------------------------------------------------------------------*/
+'use strict';
+
+import * as sqlops from 'sqlops';
+import { AgentUtils } from '../agentUtils';
+
+export class CreateOperatorData {
+	public ownerUri: string;
+	private _alert: sqlops.AgentOperatorInfo;
+
+	constructor(ownerUri:string) {
+		this.ownerUri = ownerUri;
+	}
+
+	public async initialize() {
+		let agentService = await AgentUtils.getAgentService();
+
+	}
+
+	public async save() {
+	}
+}