Remove runtime flags for sloppy mode block scoping features

test/mjsunit/es6/classes.js

 // Copyright 2014 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-// Flags: --harmony-sloppy --harmony-function-name --allow-natives-syntax
+// Flags: --allow-natives-syntax
 
 (function TestBasics() {
   var C = class C {}
   assertEquals(typeof C, 'function');
   assertEquals(C.__proto__, Function.prototype);
   assertEquals(Object.prototype, Object.getPrototypeOf(C.prototype));
   assertEquals(Function.prototype, Object.getPrototypeOf(C));
   assertEquals('C', C.name);
 
   class D {}
@@ skipping 971 matching lines @@
   testClassRestrictedProperties(ClassWithDefaultConstructor);
   testClassRestrictedProperties(Class);
   testClassRestrictedProperties(DerivedClassWithDefaultConstructor);
   testClassRestrictedProperties(DerivedClass);
   testClassRestrictedProperties(class { method() {} });
   testClassRestrictedProperties(class { constructor() {} method() {} });
   testClassRestrictedProperties(class extends Class { });
   testClassRestrictedProperties(
       class extends Class { constructor() { super(); } });
 })();