Remove jquery-migrate from production

scipost/templates/scipost/bare_base.html

@@ -12,7 +12,6 @@
     <link rel="stylesheet" href="{% static 'flags/sprite-hq.css' %}">
 
     <script src="https://ajax.googleapis.com/ajax/libs/jquery/3.4.1/jquery.min.js"></script>
-    <script src="https://code.jquery.com/jquery-migrate-3.1.0.js"></script>
     <script src="https://ajax.googleapis.com/ajax/libs/jqueryui/1.12.1/jquery-ui.min.js"></script>
 
     {% render_bundle 'main' 'css' %}