Remove editor's note about confromance levels

Author: afs

spec/index.html

@@ -746,10 +746,6 @@ <h3>RDF Version Announcement</h3>
       with <a>triples</a> that only contain <a>basic RDF terms</a> &mdash; i.e.,
       they do not contain <a>triple terms</a>.</li>
   </ul>
-  <p class="ednote">The conformance levels described above are tentative,
-    and still the subject of group discussion. An alternative to conformance
-    levels, "profiles", may be adopted instead, abandoned, or described in 
-    another specification.</p>
 
   <section id="defined-version-labels">
     <h3>Version Labels</h3>