Remove runtime flags for sloppy mode block scoping features

test/message/const-decl-no-init-sloppy.js

Index: test/message/const-decl-no-init-sloppy.js
diff --git a/test/message/const-decl-no-init-sloppy.js b/test/message/const-decl-no-init-sloppy.js
deleted file mode 100644
index a122eae182bd4bc17a689338287a6900172b9a3f..0000000000000000000000000000000000000000
--- a/test/message/const-decl-no-init-sloppy.js
+++ /dev/null
@@ -1,9 +0,0 @@
-// Copyright 2015 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
-
-function f() {
-  const a;
-}