Remove unneeded deprecated methods from MarkStack
Created attachment 90119 [details] Patch
Committed r84212: <http://trac.webkit.org/changeset/84212>
It was rolled out, see https://bugs.webkit.org/show_bug.cgi?id=58871 for details.
this was rolled out
Committed r84301: <http://trac.webkit.org/changeset/84301>
http://trac.webkit.org/changeset/84301 might have broken GTK Linux 64-bit Debug