Revert "Resolve references to "this" the same way as normal variables"

test/mjsunit/this-dynamic-lookup.js

Index: test/mjsunit/this-dynamic-lookup.js
diff --git a/test/mjsunit/this-dynamic-lookup.js b/test/mjsunit/this-dynamic-lookup.js
deleted file mode 100644
index c5fa7a2c79c7b50738b76fff4281686f8bd3b3bc..0000000000000000000000000000000000000000
--- a/test/mjsunit/this-dynamic-lookup.js
+++ /dev/null
@@ -1,10 +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-arrow-functions
-// NO HARNESS
-
-var globalEval = eval;
-globalEval("this; eval('42')");
-globalEval("eval('42'); this");