Revert "New tests for initializing formal access."

tests/language/initializing_formal_capture_test.dart

Index: tests/language/initializing_formal_capture_test.dart
diff --git a/tests/language/initializing_formal_capture_test.dart b/tests/language/initializing_formal_capture_test.dart
deleted file mode 100644
index 7ad3f083cc185754bd31b937bbfba57421445846..0000000000000000000000000000000000000000
--- a/tests/language/initializing_formal_capture_test.dart
+++ /dev/null
@@ -1,19 +0,0 @@
-// Copyright (c) 2016, 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.
-//
-// DartOptions=--initializing-formal-access
-
-import "package:expect/expect.dart";
-
-class A {
-  var x, y;
-  A(this.x) : y = (() => x);
-}
-
-main() {
-  A a = new A(2);
-  a.x = 3;
-  Expect.equals(a.x, 3);
-  Expect.equals(a.y(), 2);
-}