smaller stylecop fixes in Wox.Core and Wox.Infra (#5671)

* Headers
unneeded usings
files need blank line at bottom
Fixed double returns
Returns after braces

* commenting out stylecop

src/modules/launcher/Wox.Infrastructure/FileSystemHelper/IFileVersionInfoWrapper.cs

@@ -1,4 +1,8 @@
-using System.Diagnostics;
+// 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.Diagnostics;
 
 namespace Wox.Infrastructure.FileSystemHelper
 {