config: adapt sample widgets

src/etc/config.xml.sample

@@ -457,6 +457,6 @@
     </monitor_type>
   </load_balancer>
   <widgets>
-    <sequence>system_information-container:col1:show,carp_status-container:col1:close,gateways-container:col1:close,interface_statistics-container:col1:close,interface_list-container:col2:show,ipsec-container:col2:close,load_balancer_status-container:col2:close,log-container:col2:close,picture-container:col2:close,rss-container:col2:close,services_status-container:col2:close,traffic_graphs-container:col2:close</sequence>
+    <sequence>system_information-container:col1:show,gateways-container:col2:show,interface_list-container:col2:show,services_status-container:col2:show</sequence>
   </widgets>
 </opnsense>