Remove Serde

src/param.rs

@@ -1,15 +1,11 @@
 //! Parameter value storage types.
 
-#[cfg(feature = "serde")]
-use serde::{Deserialize, Serialize};
-
 /// Represents a sampled parameter value.
 ///
 /// This enum stores different parameter value types uniformly.
 /// For categorical parameters, the `Categorical` variant stores
 /// the index into the choices array.
 #[derive(Clone, Debug, PartialEq)]
-#[cfg_attr(feature = "serde", derive(Serialize, Deserialize))]
 pub enum ParamValue {
     /// A floating-point parameter value.
     Float(f64),