Removed the use clause for Symphony as it is redundant and causes a PHP warning

Alistair Kearney · Alistair Kearney · commit 0053f2db188c · 2016-06-17T10:02:19.000+10:00
diff --git a/src/Includes/JsonRendererLauncher.php b/src/Includes/JsonRendererLauncher.php
@@ -1,7 +1,6 @@
 <?php
 
 use Symphony\ApiFramework\Lib;
-use \Symphony;
 
 function renderer_json($mode){
     if (strtolower($mode) == 'administration') {
