remove default detector classes

Author: davnn

src/data_utils.jl

@@ -434,9 +434,3 @@ UnivariateFinite(probs; kwargs...) =
     UnivariateFinite(get_interface_mode(), probs; kwargs...)
 UnivariateFinite(::LightInterface, a...; kwargs...) =
     errlight("UnivariateFinite")
-
-## FOR DETECTION MODELS
-
-const OUTLIER = "outlier"
-const INLIER = "inlier"
-const UNKNOWN = "unknown"