small fixes

static/editor.html

@@ -33,7 +33,6 @@
                 class="use-global-color" type="button" title="Use global profile color"
                 aria-label="Use global profile color" hidden>↺</button></span>
         <div class="header-navigation">
-            <div class="header-preferences" data-header-preferences></div>
             <button id="header-menu-toggle" class="header-menu-toggle" type="button" aria-expanded="false"
                 aria-controls="header-actions" aria-label="Open navigation menu">
                 <span aria-hidden="true"></span><span aria-hidden="true"></span><span aria-hidden="true"></span>