Remove an invalid ajax test and some code that is no longer used by any test.

test/data/name.php

@@ -19,11 +19,6 @@ if($name == 'foo') {
 	echo "pan";
 	die();
 }
-$request = apache_request_headers();
-$request = $request['X-Custom-Header'];
-if(strlen($request) > 0) {
-	echo $request;
-	die();
-}
+
 echo 'ERROR <script type="text/javascript">ok( true, "name.php executed" );</script>';
 ?>

test/data/notmodified.php

@@ -1 +0,0 @@
-<?php header('HTTP/1.0 304 Not Modified'); exit; ?>