[Gardening]: fast/events/ios/key-command-delete-next-word.html is now…

… passing.

rdar://63253983

Unreviewed test gardening.

Removing outdated test expectation, as the issue is resolved.

* LayoutTests/platform/ios/TestExpectations:

Canonical link: https://commits.webkit.org/276819@main

LayoutTests/platform/ios/TestExpectations

@@ -435,9 +435,6 @@ inspector/ [ Skip ]
 http/tests/inspector/ [ Skip ]
 http/tests/websocket/tests/hybi/inspector/ [ Skip ]
 
-# FIXME: Unskip the following test once we have the fix for <rdar://problem/63253983>.
-fast/events/ios/key-command-delete-next-word.html [ Skip ]
-
 # Needs testRunner.enableAutoResizeMode()
 fast/autoresize