message: Remove unused direct ocaml-sys dependency, making build fail when OCaml is not installed
diff: @@ -13,7 +13,6 @@ lazy_static = "1.4"
  leb128 = "0.2"
  modular-bitfield = "0.11"
  ocaml-interop = { version = "0.8.4", features = ["without-ocamlopt", "caml-state"] }
  -ocaml-sys = { version = "0.20.1" }
  serde = { version = "1.0", features = ["derive", "rc"] }
  slog = { version = "2.7", features = ["max_level_trace", "release_max_level_debug"] }
  static_assertions = "1.1"
  