Remove broken link to "Anonymous function syntax"

ashawley · ashawley · commit a33aa5f2a5d2 · 2017-08-08T12:53:30.000-04:00
diff --git a/_tour/basics.md b/_tour/basics.md
@@ -130,8 +130,6 @@ val getTheAnswer = () => 42
 println(getTheAnswer()) // 42
 ```
 
-We will cover functions in depth [later](anonymous-function-syntax.html).
-
 ## Methods
 
 Methods look and behave very similar to functions, but there are a few key differences between them.
