Remove workaround for window-object-cleared bug
Apparently this code is a workaround for https://bugs.webkit.org/show_bug.cgi?id=221771, which has been fixed, so we should no longer need it anymore.
Edited by Michael Catanzaro
Apparently this code is a workaround for https://bugs.webkit.org/show_bug.cgi?id=221771, which has been fixed, so we should no longer need it anymore.