Remove pointless use of Lwt in saved_state.ml
Remove pointless use of Lwt in saved_state.ml

Reviewed By: samwgoldman

Differential Revision: D24315880

fbshipit-source-id: d9db664448baf33818244bee1c5c34669bb7d7dc

mroch/flow,facebook/flow,mroch/flow,mroch/flow,facebook/flow,facebook/flow,mroch/flow,facebook/flow,facebook/flow,mroch/flow,mroch/flow,facebook/flow,mroch/flow,facebook/flow