[Gardening]: REGRESSION (iOS 14): [ iOS wk2 ] accessibility tests are…

… a flaky timeout (217687)

https://bugs.webkit.org/show_bug.cgi?id=217687
rdar://70273051

Unreviewed test gardening.

Removing outdated test expectations.

* LayoutTests/platform/ios-simulator-wk2/TestExpectations:

Canonical link: https://commits.webkit.org/276186@main

LayoutTests/platform/ios-simulator-wk2/TestExpectations

@@ -124,11 +124,6 @@ webkit.org/b/217669 http/wpt/service-workers/service-worker-spinning-message.htt
 webkit.org/b/217669 http/wpt/service-workers/service-worker-spinning-push.https.html [ Pass Timeout Failure ]
 webkit.org/b/217669 http/wpt/service-workers/service-worker-spinning-pushsubscriptionchange.https.html [ Pass Timeout Failure ]
 
-webkit.org/b/217687 accessibility/aria-current.html [ Pass Timeout ]
-webkit.org/b/217687 accessibility/insert-newline.html [ Pass Timeout ]
-webkit.org/b/217687 accessibility/ios-simulator/abbreviation.html [ Pass Timeout ]
-webkit.org/b/217687 accessibility/ios-simulator/accessibility-aria-table-children.html [ Pass Timeout ]
-
 webkit.org/b/217759 media/now-playing-status-without-media.html [ Pass Failure ]
 
 # webkit.org/b/209139 fast/canvas/webgl/webgl-clear-composited-notshowing.html [ Failure ]