Remove redundant call to nearest open popover

Fixes #9263.

Author: josepharhar

source

@@ -82900,9 +82900,8 @@ dictionary <dfn dictionary>DragEventInit</dfn> : <span>MouseEventInit</span> {
     </ol>
    </li>
 
-   <li><p>Run <var>checkAncestor</var> given the result of running <span>nearest inclusive open
-   popover</span> given <var>newPopover</var>'s parent node within the <span>flat
-   tree</span>.</p></li>
+   <li><p>Run <var>checkAncestor</var> given <var>newPopover</var>'s parent node within the
+   <span>flat tree</span>.</p></li>
 
    <li><p>Run <var>checkAncestor</var> given <var>newPopover</var>'s <span>popover
    invoker</span>.</p></li>