Remove extraneous namespace refs in info and config

xep-0369.xml

@@ -36,6 +36,15 @@
   &ksmithisode;
   &skille;
   &stpeter;
+  <revision>
+    <version>0.9.2</version>
+    <date>2017-04-03</date>
+    <initials>sek</initials>
+    <remark><p>
+      Fix xmpp:nodes typos;
+      Remove namespace references in Info/Config nodes;
+    </p></remark>
+  </revision>
   <revision>
     <version>0.9.1</version>
     <date>2017-03-29</date>
@@ -555,7 +564,7 @@ This approach  enables flexible support of multiple clients for a MIX channel pa
       </p>
       <example caption="Information Node"><![CDATA[
 <items node='urn:xmpp:mix:nodes:info'>
-  <item id='2016-05-30T09:00:00' xmlns='urn:xmpp:mix:0'>
+  <item id='2016-05-30T09:00:00'>
       <x xmlns='jabber:x:data' type='result'>
         <field var='FORM_TYPE' type='hidden'>
              <value>urn:xmpp:mix:0</value>
@@ -635,7 +644,7 @@ This approach  enables flexible support of multiple clients for a MIX channel pa
       </p>
       <example caption="Configuration Node"><![CDATA[
 <items node='urn:xmpp:mix:nodes:config'>
-  <item id='2016-05-30T09:00:00' xmlns='urn:xmpp:mix:0'>
+  <item id='2016-05-30T09:00:00'>
       <x xmlns='jabber:x:data' type='result'>
         <field var='FORM_TYPE' type='hidden'>
              <value>urn:xmpp:mix:0</value>