Remove [EnabledBySetting=PopoverAttributeEnabled] from ToggleEvent.idl

https://bugs.webkit.org/show_bug.cgi?id=260751
rdar://114500635

Reviewed by Alexey Shvayka.

This is now used by details / summary since 267076@main, so the interface should no longer be gated by the popover attribute setting.

* Source/WebCore/dom/ToggleEvent.idl:

Canonical link: https://commits.webkit.org/267331@main

Source/WebCore/dom/ToggleEvent.idl

@@ -23,7 +23,7 @@
  * THE POSSIBILITY OF SUCH DAMAGE.
  */
 
-[EnabledBySetting=PopoverAttributeEnabled, Exposed=Window]
+[Exposed=Window]
 interface ToggleEvent : Event {
     constructor([AtomString] DOMString type, optional ToggleEventInit eventInitDict = {});
     readonly attribute DOMString oldState;