Generally enable remove_unwritten_fields + remove_zero_written_fields
Generally enable remove_unwritten_fields + remove_zero_written_fields

Reviewed By: int3

Differential Revision: D16775790

fbshipit-source-id: 5f6b4363bfd392dc25445955baf91d0f177459ee

facebook/redex,facebook/redex,facebook/redex,facebook/redex,facebook/redex,facebook/redex,facebook/redex,facebook/redex,facebook/redex