Fixing stylecop violations (#5629)

src/modules/launcher/Plugins/Microsoft.Plugin.Indexer/SearchHelper/OleDBResult.cs

@@ -1,8 +1,8 @@
-using System;
+// Copyright (c) Microsoft Corporation
+// The Microsoft Corporation licenses this file to you under the MIT license.
+// See the LICENSE file in the project root for more information.
+
 using System.Collections.Generic;
-using System.Data.Common;
-using System.Data.OleDb;
-using System.Text;
 
 namespace Microsoft.Plugin.Indexer.SearchHelper
 {