Remove removal steps

https://chromium-review.googlesource.com/c/chromium/src/+/6043186/comment/943643d9_9117fc4d/

source

@@ -56447,30 +56447,6 @@ interface <dfn interface>HTMLSelectedContentElement</dfn> : <span>HTMLElement</s
    <var>nearestSelectAncestor</var>.</p></li>
   </ol>
 
-  <p>The <code>selectedcontent</code> <span>HTML element removing steps</span>, given
-  <var>selectedcontent</var> and <var>oldParent</var>, are:</p>
-
-  <ol>
-   <li>
-    <p>For each <var>ancestor</var> of <var>selectedcontent</var>'s <span
-    data-x="ancestor">ancestors</span> in reverse <span>tree order</span>:</p>
-
-    <ol>
-     <li><p>If <var>ancestor</var> is a <code>select</code> element, then return.</p></li>
-    </ol>
-   </li>
-
-   <li>
-    <p>For each <var>ancestor</var> of <var>oldParent</var>'s <span data-x="inclusive
-    ancestor">inclusive ancestors</span> in reverse <span>tree order</span>:</p>
-
-    <ol>
-     <li><p>If <var>ancestor</var> is a <code>select</code> element, then run <span>clear a
-     selectedcontent</span> given <var>selectedcontent</var>.</p></li>
-    </ol>
-   </li>
-  </ol>
-
 
 
   <h4 split-filename="form-control-infrastructure">Form control infrastructure</h4>