remove some items

source

@@ -4809,26 +4809,6 @@ a.setAttribute('href', 'https://example.com/'); // change the content attribute
    </ul>
   </dd>
 
-  <dt>Prerendering API</dt>
-
-  <dd>
-   <p>The following terms are defined in <cite>Prerendering Revamped</cite>:</p>
-
-   <ul class="brief">
-    <li><dfn data-x-href="https://wicg.github.io/nav-speculation/prerendering.html#dom-document-prerendering"><code>prerendering</code></dfn></li>
-   </ul>
-  </dd>
-
-  <dt>Fenced Frame</dt>
-
-  <dd>
-   <p>The following terms are defined in <cite>Fenced Frame</cite>:</p>
-
-   <ul class="brief">
-    <li><dfn data-x-href="https://wicg.github.io/fenced-frame/#dom-window-fence"><code>fence</code></dfn></li>
-   </ul>
-  </dd>
-
  </dl>
 
   <hr>
@@ -95848,11 +95828,6 @@ interface <dfn interface>NotRestoredReasons</dfn> {
    <code>SyncManager.register</code>, <code>PeriodicSyncManager.register</code>
    , or <code>BackgroundFetchManager.fetch</code>.</dd>
 
-   <dt>"<dfn data-x="blocking-broadcastchannel" export><code>broadcastchannel</code></dfn>"</dt>
-   <dd>While <span data-x="unload a document">unloading</span>, an open
-   <code>BroadcastChannel</code> connection was shut down, so the page was not in a state that
-   could be stored in the <a href="#note-bfcache">back/forward cache</a>.</dd>
-
    <dt>"<dfn data-x="blocking-broadcastchannel-message" export><code>broadcastchannel-message</code></dfn>"</dt>
    <dd>While the page was stored in <a href="#note-bfcache">back/forward cache</a>, a
    <code>BroadcastChannel</code> connection on the page received a message and <code
@@ -95869,7 +95844,7 @@ interface <dfn interface>NotRestoredReasons</dfn> {
 
    <dt>"<dfn data-x="blocking-keyboard-lock" export><code>keyboardlock</code></dfn>"</dt>
    <dd>While <span data-x="unload a document">unloading</span>, keyboard lock was still active
-   because <code>KeyboardLock.lock</code> was called before unloading.</dd>
+   because <code>KeyboardLock.lock</code> was called.</dd>
 
    <dt>"<dfn data-x="blocking-mediastream" export><code>mediastream</code></dfn>"</dt>
    <dd><code>MediaStreamTrack</code> was in the <span>live state</span> upon <span
@@ -95894,12 +95869,6 @@ interface <dfn interface>NotRestoredReasons</dfn> {
    data-x="dom-window-stop">window.stop()</code> and the page was not in a state to be
    stored in <a href="note-bfcache">back/forward cache</a>.</dd>
 
-   <dt>"<dfn data-x="blocking-not-main-frame" export><code>not-main-frame</code></dfn>"</dt>
-   <dd>Upon <span data-x="unload a document">unloading</span>, the <code>Document</code>'s
-   <span>node navigable</span> was not the <span>top-level traversable</span>, or the
-   <code>Document</code>'s <code>prerendering</code> value was true, or the <code>Document</code>'s
-   <code>Window</code>'s <code>fence</code> value was not null.</dd>
-
    <dt>"<dfn
    data-x="blocking-non-trivial-bcg" export>
    <code>non-trivial-browsing-context-group</code></dfn>"</dt>