Revert of Use displayName in Error.stack rendering if present.

test/mjsunit/stack-traces-display-name.js

Index: test/mjsunit/stack-traces-display-name.js
diff --git a/test/mjsunit/stack-traces-display-name.js b/test/mjsunit/stack-traces-display-name.js
deleted file mode 100644
index 0b7c0fceb083c8524776bf7cafa1a93c8343a7fe..0000000000000000000000000000000000000000
--- a/test/mjsunit/stack-traces-display-name.js
+++ /dev/null
@@ -1,15 +0,0 @@
-// Copyright 2016 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.
-
-var o = { f: function() { throw new Error(); } };
-o.g1 = function() { o.f() }
-o.g2 = o.g1;
-o.h = function() { o.g1() }
-o.f.displayName = "MySpecialFunction";
-
-try {
-  o.h();
-} catch (e) {
-  assertTrue(e.stack.indexOf("MySpecialFunction") != -1);
-}