removing qunit from ACP, since we don't actually use it anymore

public/templates/admin/header.tpl

@@ -9,8 +9,6 @@
 	<link rel="stylesheet" href="{relative_path}/vendor/fontawesome/css/font-awesome.min.css">
 	<script src="//code.jquery.com/jquery.js"></script>
 	<script src="{relative_path}/vendor/bootstrap/js/bootstrap.min.js"></script>
-	<script src="//code.jquery.com/qunit/qunit-git.js"></script>
-	<link rel="stylesheet" type="text/css" href="//code.jquery.com/qunit/qunit-git.css">
 	<link rel="stylesheet" type="text/css" href="{relative_path}/vendor/colorpicker/colorpicker.css">
 	<script src="{relative_path}/socket.io/socket.io.js"></script>
 	<script src="{relative_path}/src/app.js?{cache-buster}"></script>