removed anchor

The anchor was 404'ing because the target is missing so i removed the link

docs/csharp/iterators.md

@@ -48,7 +48,7 @@ That's all there is to it. To iterate over all the contents of a collection,
 the `foreach` statement is all you need. The `foreach` statement isn't magic,
 though. It relies on two generic interfaces defined in the .NET core library in order
 to generate the code necessary to iterate a collection: `IEnumerable<T>` and
-`IEnumerator<T>`. This mechanism is explained in more detail [below](#deeper-dive-into-foreach-).
+`IEnumerator<T>`. This mechanism is explained in more detail below.
 
 Both of these interfaces also have non-generic counterparts: `IEnumerable` and 
 `IEnumerator`. The [generic](generics.md) versions are preferred for modern code.