[sledge] Remove ocamlformat from dev-tools.opam
[sledge] Remove ocamlformat from dev-tools.opam

Reviewed By: jvillard

Differential Revision: D18571069

fbshipit-source-id: ec82e4661

facebook/infer,jvillard/infer,facebook/infer,facebook/infer,facebook/infer,jvillard/infer,jvillard/infer,jvillard/infer,jvillard/infer,facebook/infer,facebook/infer,jvillard/infer,jvillard/infer,facebook/infer