Don't compile first example because overloads get wrapped in main()

Author: ntrel

spec/function.dd

@@ -651,15 +651,13 @@ $(H2 $(LNAME2 inout-functions, Inout Functions))
         into one function using the $(D inout) type constructor. Consider the following
         overload set:
      )
-        $(SPEC_RUNNABLE_EXAMPLE_COMPILE
         ---
         int[] slice(int[] a, int x, int y) { return a[x .. y]; }
 
         const(int)[] slice(const(int)[] a, int x, int y) { return a[x .. y]; }
 
         immutable(int)[] slice(immutable(int)[] a, int x, int y) { return a[x .. y]; }
         ---
-        )
 
     $(P The code generated by each of these functions is identical.
         The $(D_KEYWORD inout) type constructor can combine them into one function:)