Removed malfunctioning code snippets from documentation

Author: GOURIOU Lénaïck

src/toolbox/sigma/fiat_shamir.rs

@@ -12,16 +12,6 @@
 //! - `P`: the underlying Sigma protocol (`SigmaProtocol` trait).
 //! - `C`: the transcript codec (`TranscriptCodec` trait).
 //! - `G`: the group used for commitments and operations (`Group` trait).
-//!
-//! # Example
-//! ```
-//! use lox_zkp::toolbox::sigma::fiat_shamir::NISigmaProtocol;
-//!
-//! let protocol = SchnorrProof { morphismp: statement };
-//! let mut nizk = NISigmaProtocol::<_, KeccakTranscript<G>, G>::new(b"context", protocol);
-//! let proof = nizk.prove(&witness, &mut rng);
-//! assert!(nizk.verify(&proof).is_ok());
-//! ```
 
 use rand::{RngCore, CryptoRng};
 use crate::toolbox::sigma::SigmaProtocol;

src/toolbox/sigma/group_morphism.rs

@@ -23,7 +23,6 @@ pub struct LinearCombination {
 ///
 /// It supports dynamic allocation of scalars and elements,
 /// and evaluates by performing multi-scalar multiplications.
-
 pub struct Morphism<G: Group> {
     pub linear_combination: Vec<LinearCombination>,
     pub group_elements: Vec<G>,

src/toolbox/sigma/transcript/transcriptcodec.rs

@@ -9,16 +9,7 @@
 //!
 //! # Usage
 //! - The prover and verifier absorb the same messages into identical `KeccakTranscript` instances.
-//! - The prover and the verifier then squeeze the hash to generate a challenge scalar for the protocol. The verifier can check that the prover used the challenge output by the transcript because he owns an identital transcript.
-//!
-//! # Example
-//! ```
-//! use crate::toolbox::sigma::transcript::transcriptcodec::KeccakTranscript;
-//!
-//! let mut transcript = KeccakTranscript::new(b"domain-separator")
-//!     .prover_message(&[commitment1, commitment2]);
-//! let challenge = transcript.verifier_challenge();
-//! ```
+//! - The prover and the verifier then squeeze the hash to generate a challenge scalar for the protocol. The verifier can check that the prover used the challenge output by the transcript because he owns an identical transcript.
 
 use sha3::{Shake128, digest::{Update, ExtendableOutput, XofReader}};
 use group::{Group, GroupEncoding};