Remove Console.ReadLine

[gewarren]

The Console.ReadLine was reintroduced by #9759. It doesn't work with Try.NET.

Contributes to dotnet/docs#41840.

[dotnet-policy-service]

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

[learn-build-service-prod]

Learn Build status updates of commit 4dc2d43:

✅ Validation status: passed

File	Status	Preview URL	Details
snippets/csharp/System/Random/Overview/next3.cs	✅Succeeded	View
xml/System/Random.xml	✅Succeeded	View

For more details, please refer to the build report.

For any questions, please:

• Try searching the learn.microsoft.com contributor guides
• Post your question in the Learn support channel

[learn-build-service-prod]

Learn Build status updates of commit 438aa24:

✅ Validation status: passed

File	Status	Preview URL	Details
snippets/csharp/System/Random/Overview/next3.cs	✅Succeeded	View
snippets/csharp/System/Random/Overview/Program.cs	✅Succeeded
snippets/csharp/System/Random/Overview/project.csproj	✅Succeeded
xml/System/Random.xml	✅Succeeded	View

For more details, please refer to the build report.

For any questions, please:

• Try searching the learn.microsoft.com contributor guides
• Post your question in the Learn support channel

[BillWagner]

Thanks @gewarren

Let's