Remove duplicate property test

LayoutTests/ietestcenter/Javascript/TestCases/11.1.5_4-4-d-2.js

-/// Copyright (c) 2009 Microsoft Corporation 
-/// 
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-
-
-/*
-  Refer 11.1.5; 
-  The production
-    PropertyNameAndValueList :  PropertyNameAndValueList , PropertyAssignment
-  4. If previous is not undefined then throw a SyntaxError exception if any of the following conditions are true
-    d. IsAccessorDescriptor(previous) is true and IsAccessorDescriptor(propId.descriptor) is true and either both previous and propId.descriptor have [[Get]] fields or both previous and propId.descriptor have [[Set]] fields
-*/
-
-ES5Harness.registerTest( {
-id: "11.1.5_4-4-d-2",
-
-path: "TestCases/chapter11/11.1/11.1.5/11.1.5_4-4-d-2.js",
-
-description: "Object literal - SyntaxError for duplicate property name (set,set)",
-
-test: function testcase() {
-  try
-  {
-    eval("({set foo(arg){}, set foo(arg1){}});");
-  }
-  catch(e)
-  {
-    if(e instanceof SyntaxError)
-      return true;
-  }
- },
-
-precondition: function () {
-   //accessor properties in object literals must be allowed
-  try {eval("({set foo(x) {}, get foo(){}});");}
-  catch(e) {return false}
-  return true;
-}
-
-});