message: chore: remove unused crate
diff: @@ -22,7 +22,6 @@ ckb-traits = { path = "../traits" }
  failure = "0.1.5"
  ckb-verification = { path = "../verification" }
  ckb-protocol = { path = "../protocol" }
  -flatbuffers = "0.5.0"
  ckb-script = { path = "../script" }
  [dev-dependencies]
  