Update former-editors to reflect versioned publications

Author: csarven

ED/protocol.html

@@ -264,8 +264,6 @@ <h1 property="schema:name">Solid Protocol</h1>
             <dl id="document-former-editors">
               <dt>Former editors</dt>
               <dd>Ruben Verborgh <span class="contributed">(v0.9, v0.10)</span></dd>
-              <dd>Justin-Bingham <span class="contributed">(ED)</span></dd>
-              <dd>Dmitri-Zagidulin <span class="contributed">(ED)</span></dd>
             </dl>
 
             <dl id="document-published">