Remove ArrayUtils

pkg/analyzer/lib/src/generated/java_engine.dart

Index: pkg/analyzer/lib/src/generated/java_engine.dart
diff --git a/pkg/analyzer/lib/src/generated/java_engine.dart b/pkg/analyzer/lib/src/generated/java_engine.dart
index eb217955c60b7bfe58b33b8b4f853bd9d8f1a227..0f787cb2157948107090a8f274e725376f84a2d6 100644
--- a/pkg/analyzer/lib/src/generated/java_engine.dart
+++ b/pkg/analyzer/lib/src/generated/java_engine.dart
@@ -210,24 +210,6 @@ class FileNameUtilities {
   }
 }
 
-class ArrayUtils {
-  static List add(List target, Object value) {
-    target = new List.from(target);
-    target.add(value);
-    return target;
-  }
-  static List addAt(List target, int index, Object value) {
-    target = new List.from(target);
-    target.insert(index, value);
-    return target;
-  }
-  static List addAll(List target, List source) {
-    List result = new List.from(target);
-    result.addAll(source);
-    return result;
-  }
-}
-
 class ObjectUtilities {
   static int combineHashCodes(int first, int second) => first * 31 + second;
 }