ml-dsa: remove references to ML-KEM (#1112)

These are leftover from adapting code from the `ml-kem` crate

Author: tarcieri

ml-dsa/src/lib.rs

@@ -832,7 +832,7 @@ impl ParameterSet for MlDsa65 {
     const TAU: usize = 49;
 }
 
-/// `MlKem87` is the parameter set for security category 5.
+/// `MlDsa87` is the parameter set for security category 5.
 #[derive(Default, Clone, Debug, PartialEq)]
 pub struct MlDsa87;
 

ml-dsa/src/param.rs

@@ -1,9 +1,7 @@
 //! This module encapsulates all of the compile-time logic related to parameter-set dependent sizes
 //! of objects.  `ParameterSet` captures the parameters in the form described by the ML-KEM
 //! specification.  `EncodingSize`, `VectorEncodingSize`, and `CbdSamplingSize` are "upstream" of
-//! `ParameterSet`; they provide basic logic about the size of encoded objects.  `PkeParams` and
-//! `KemParams` are "downstream" of `ParameterSet`; they define derived parameters relevant to
-//! K-PKE and ML-KEM.
+//! `ParameterSet`; they provide basic logic about the size of encoded objects.
 //!
 //! While the primary purpose of these traits is to describe the sizes of objects, in order to
 //! avoid leakage of complicated trait bounds, they also need to provide any logic that needs to