Adding in sytlecop and fixing issues

src/modules/fancyzones/editor/FancyZonesEditor/RowColInfo.cs

@@ -1,8 +1,6 @@
-using System;
-using System.Collections.Generic;
-using System.Linq;
-using System.Text;
-using System.Threading.Tasks;
+// 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.
 
 namespace FancyZonesEditor
 {