Delete code examples for obsolete members #11468
Description
Describe the issue or suggestion
Similar to #11345, but this issue is to find obsolete members and delete any code examples in those members only.
Rubric is delete code examples for members if the member is:
- Obsolete since .NET Framework 4 or earlier
- Obsolete in .NET and deprecated in .NET Fx (e.g. CAS)
- Obsolete in .NET and not editor browsable in .NET Fx