Fixed 404 error using request context variable that wasn't set

minecraftcodex/database/templates/errors/404.html

@@ -8,11 +8,5 @@
             an upcoming update or a routing error.<br />
             Wathever that is, rest assured, we've been notified.
         </p>
-        {% if request.sentry.id %}
-            <p>
-                If you need assistance, you may reference this error as 
-                <strong>{{ request.sentry.id }}</strong>.
-            </p>
-        {% endif %}
     </div>
 {% endblock %}