Remove comment about eager sweeping

Bug: 981043
Change-Id: I0f72c95ec17110146c7ed7811d8ca4573e8db4b4
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1697604Reviewed-by: Michael Lippautz <mlippautz@chromium.org>
Reviewed-by: Kentaro Hara <haraken@chromium.org>
Commit-Queue: Omer Katz <omerkatz@chromium.org>
Cr-Commit-Position: refs/heads/master@{#676377}

third_party/blink/renderer/core/dom/events/event_target.h

@@ -114,8 +114,6 @@ class CORE_EXPORT EventTargetData final
 //   or the document you're in.
 // - Your trace() method will need to call EventTargetWithInlineData::trace
 //   depending on the base class of your class.
-// - EventTargets do not support EAGERLY_FINALIZE. You need to use
-//   a pre-finalizer instead.
 class CORE_EXPORT EventTarget : public ScriptWrappable {
   DEFINE_WRAPPERTYPEINFO();