[Mvc] Remove 'absolute' from documentation of Action (#23695)
[Mvc] Remove 'absolute' from documentation of Action (#23695)

The generated urls are host relative in most cases, so correcting the documentation to reflect that.
aspnet/AspNetCore,aspnet/AspNetCore,aspnet/AspNetCore,aspnet/AspNetCore,aspnet/AspNetCore,aspnet/AspNetCore,aspnet/AspNetCore,aspnet/AspNetCore,aspnet/AspNetCore