fix build error

Author: mythz

src/AndroidClient/client/src/main/java/net/servicestack/func/Func.java

@@ -181,10 +181,6 @@ public static <T> ArrayList<T> filteri(Iterable<T> xs, PredicateIndex<T> predica
         return to;
     }
 
-    public static <T> T first(T[] xs, Predicate<T> predicate) {
-        return first(toList(xs), predicate);
-    }
-
     public static <T> T first(Iterable<T> xs, Predicate<T> predicate) {
         if (xs == null) return null;