Remove insertRange.

tests/corelib/list_insert_range_test.dart

-// Copyright (c) 2011, the Dart project authors.  Please see the AUTHORS file
-// for details. All rights reserved. Use of this source code is governed by a
-// BSD-style license that can be found in the LICENSE file.
-
-import "package:expect/expect.dart";
-
-main() {
-  var list = [];
-  list.insertRange(-1, 0);
-  Expect.listEquals([], list);
-  list.insertRange(0, 0);
-  Expect.listEquals([], list);
-  list.insertRange(0, 0, 2);
-  Expect.listEquals([], list);
-  list.insertRange(0, 0, 2);
-  Expect.listEquals([], list);
-
-  expectIOORE(() { [1, 2].insertRange(-1, 1); });
-  expectIOORE(() { [1, 2].insertRange(3, 1); });
-  expectIAE(() { [1, 2].insertRange(0, -1); });
-
-  list = []; list.insertRange(0, 3);
-  Expect.listEquals([null, null, null], list);
-
-  list = []; list.insertRange(0, 3, 1);
-  Expect.listEquals([1, 1, 1], list);
-
-  list = [1, 1]; list.insertRange(1, 1, 2);
-  Expect.listEquals([1, 2, 1], list);
-
-  list = [1, 1]; list.insertRange(2, 2, 9);
-  Expect.listEquals([1, 1, 9, 9], list);
-
-  list = [1, 1]; list.insertRange(2, 1);
-  Expect.listEquals([1, 1, null], list);
-
-  list = [1, 1]; list.insertRange(0, 3, 3);
-  Expect.listEquals([3, 3, 3, 1, 1], list);
-}
-
-void expectIOORE(Function f) {
-  Expect.throws(f, (e) => e is RangeError);
-}
-
-void expectIAE(Function f) {
-  Expect.throws(f, (e) => e is ArgumentError);
-}