Remove stale reference to deleted var.
Remove stale reference to deleted var.

jamesblunt/yapf,ambv/yapf,hayd/yapf,wklken/yapf,abduld/yapf,google/yapf,lucius-feng/yapf,bygloam/yapf,nikolamilosevic86/yapf,elviswf/yapf,sbc100/yapf,dmoliveira/yapf,google/yapf,sbc100/yapf,thurday/yapf