remove 'to have'

go-functions.tex

@@ -129,7 +129,7 @@ \section{Multiple return values}
 }
 \end{lstlisting}
 In the absence of tuples as a native type, multiple return values are the next
-best thing to have. You can return precisely what you want without
+best thing. You can return precisely what you want without
 overloading the domain space with special values to signal errors.
 
 \section{Named result parameters}