message: remove test-support feature from auction contract
diff: @@ -13,5 +13,5 @@ test = false
  std = ["casperlabs-contract/std", "casperlabs-types/std"]
  [dependencies]
  -casperlabs-contract = { path = "../../../contract", features = ["test-support"] }
  +casperlabs-contract = { path = "../../../contract" }
  casperlabs-types = { path = "../../../../types" }
  