Merge pull request #337 from bocoup/remove-fn-exists

Remove unnecessary "include" file

harness/fnExists.js

-//-----------------------------------------------------------------------------
-function fnExists(/*arguments*/) {
-    for (var i = 0; i < arguments.length; i++) {
-        if (typeof (arguments[i]) !== "function") return false;
-    }
-    return true;
-}

test/language/expressions/delete/11.4.1-5-3.js

@@ -12,7 +12,6 @@ description: >
 flags: [noStrict]
 includes:
     - runTestCase.js
-    - fnExists.js
 ---*/
 
 function testcase() {
@@ -20,7 +19,7 @@ function testcase() {
 
   // Now, deleting 'foo' directly should fail;
   var d = delete foo;
-  if(d === false && fnExists(foo))
+  if(d === false && typeof foo === 'function')
     return true;
  }
 runTestCase(testcase);