"Creating a Package with a Digital Signature Sample" dead link

[camptatopenmars]

The link to the referenced "Creating a Package with a Digital Signature Sample" results in a 404 error. This seems to be consistent in a few places where this sample is referenced across MSDN and .net documentation.

https://learn.microsoft.com/en-us/dotnet/api/system.io.packaging.packagedigitalsignaturemanager?view=windowsdesktop-8.0#examples

[dotnet-issue-labeler]

I couldn't figure out the best area label to add to this issue. If you have write-permissions please help me learn by adding exactly one area label.

[dotnet-policy-service]

Tagging subscribers to this area: @dotnet/area-system-io