Remove suppress observers flag

dom.bs

@@ -2869,7 +2869,7 @@ passed a <a for=/>node</a> <var ignore>movedNode</var>, and a <a for=/>node</a>-
 ignore>oldParent</var> as indicated in the <a for=/>move</a> algorithm below.
 
 <p>To <dfn export id=concept-node-move>move</dfn> a <var>node</var> into a <var>parent</var> before
-a <var>child</var>, with an optional <i>suppress observers flag</i>, run these steps:
+a <var>child</var>, run these steps:
 
 <ol>
  <li><p>Let <var>oldParent</var> be <var>node</var>'s <a for=tree>parent</a>.
@@ -2944,17 +2944,11 @@ a <var>child</var>, with an optional <i>suppress observers flag</i>, run these s
   </ol>
  </li>
 
- <li>
-  <p>If <i>suppress observers flag</i> is unset, then:
-
-  <ol>
-   <li><p><a>Queue a tree mutation record</a> for <var>parent</var> with « », <var>nodes</var>,
-   <var>previousSibling</var>, and <var>child</var>.</p></li>
+ <li><p><a>Queue a tree mutation record</a> for <var>parent</var> with « », <var>nodes</var>,
+ <var>previousSibling</var>, and <var>child</var>.</p></li>
 
-   <li><a>Queue a tree mutation record</a> for <var>parent</var> with <var>nodes</var>, « »,
-   <var>previousSibling</var>, and <var>child</var>.</p></li>
-  </ol>
- </li>
+ <li><a>Queue a tree mutation record</a> for <var>parent</var> with <var>nodes</var>, « »,
+ <var>previousSibling</var>, and <var>child</var>.</p></li>
 
  <li><p>Run the <a>children changed steps</a> for <var>parent</var>.
 </ol>