frontend: arcade management rework

core/templates/user/index.jinja

@@ -159,19 +159,10 @@ Update successful
 </form>
 
 {% if arcades is defined and arcades|length > 0 %}
-<h2>Arcades</h2>
+<h2>Arcades you manage</h2>
   <ul>
   {% for a in arcades %}
-    <li><h3>{{ a.name }}</h3>
-      {% if a.machines|length > 0 %}
-        <table>
-          <tr><th>Serial</th><th>Game</th><th>Last Seen</th></tr>
-          {% for m in a.machines %}
-            <tr><td>{{ m.serial }}</td><td>{{ m.game }}</td><td>{{ m.last_seen }}</td></tr>
-          {% endfor %}
-        </table>
-      {% endif %}
-    </li>
+    <li><h3><a href=/shop/{{a.id}}>{{ a.name }}</a></h3></li>
   {% endfor %}
   </ul>
 {% endif %}