Remove dead code for TestWebKit1LeaksFactory in build.webkit.org. This builder was removed ~1 year back in https://trac.webkit.org/changeset/257889/webkit
Created attachment 418652 [details] Patch
Committed r272032: <https://trac.webkit.org/changeset/272032> All reviewed patches have been landed. Closing bug and clearing flags on attachment 418652 [details].
<rdar://problem/73720431>