remove broken cross-origin zammad chat

templates/index.html

@@ -10,18 +10,6 @@
 	<link rel="icon" type="image/x-icon" href="{{ get_url(path="style") }}/favicon.ico" >
 	<link rel="stylesheet" type="text/css" href="{{ get_url(path="style") }}/fitgrid.css" />
 	<link rel="stylesheet" type="text/css" href="{{ get_url(path="style") }}/styles.css" />
-	<script src="https://reudnetz.org/jquery-3.4.1.min.js"></script>
-	<script src="https://help.reudnetz.org/assets/chat/chat.min.js"></script>
-	<script>
-	$(function() {
-	  new ZammadChat({
-		fontSize: '12px',
-		chatId: 1,
-		show: false,
-        target: $('.chatwindow')
-	  });
-	});
-	</script>
 	{% block title %}
 	<title>{{ config.title }}</title>
 	{% endblock title %}
@@ -65,7 +53,6 @@
 				<p>
 					mail [at] reudnetz [dot] org<br />
 				</p>
-				<button class="open-zammad-chat">Klicke hier um mit uns zu chatten.</button>
 				{% endblock seitenleiste %}
 			</div>
 		</div>