ChannelFactory does not have string parameter overload in modern .NET

### Type of issue

Code doesn't work

### Description

The example code shows initializing a ChannelFactory with a string argument. There is no such constructor in newer versions, and the article is redirected to .NET 11.

### Page URL

https://learn.microsoft.com/en-us/dotnet/api/system.servicemodel.channelfactory-1?view=net-11.0-pp

### Content source URL

https://github.com/dotnet/dotnet-api-docs-temp/blob/live/xml/System.ServiceModel/ChannelFactory`1.xml

### Document Version Independent Id

357c58cd-d9a9-7667-80a8-b02a57348f28

### Platform Id

ea201843-baff-be3e-6856-66fe8f9eab5a

### Article author

@dotnet-bot