Editorial: remove now-redundant removal of event loop task

Closes #4888. f4e2907 refactored these
steps to remove the task as part of step 2, so step 7 is no longer
needed.

source

@@ -91242,8 +91242,6 @@ dictionary <dfn>PromiseRejectionEventInit</dfn> : <span>EventInit</span> {
    <li><p>Set the <span>event loop</span>'s <span>currently running task</span> back to
    null.</p></li>
 
-   <li><p>Remove <var>oldestTask</var> from its <span>task queue</span>.</p></li>
-
    <li><p><i>Microtasks</i>: <span>Perform a microtask checkpoint</span>.</p></li>
 
    <li><p>Let <var>now</var> be the <span>current high resolution time</span>. <ref
@@ -124441,6 +124439,7 @@ INSERT INTERFACES HERE
   Martin Thomson,
   Masataka Yakura,
   Masatoshi Kimura,
+  Mason Freed,
   Mason Mize,
   Mathias Bynens,
   Mathieu Henri,