Revert "Reconstruct active formatting elements for <menuitem>"

This reverts commit 2999aa0.

Author: zcorpan

source

@@ -105633,8 +105633,6 @@ document.body.appendChild(text);
     <p>If the <span>current node</span> is a <code>menuitem</code> element, then pop the
     <span>current node</span> off the <span>stack of open elements</span>.</p>
 
-    <p><span>Reconstruct the active formatting elements</span>, if any.</p>
-
     <p><span>Insert an HTML element</span> for the token.</p>
 
    </dd>