message: remove cairo references to kimchi.md
diff: @@ -1207,10 +1207,6 @@ pub struct VerifierIndex<G: CommitmentCurve> {
  #[serde(bound = "PolyComm<G>: Serialize + DeserializeOwned")]
  pub chacha_comm: Option<[PolyComm<G>; 4]>,
  - // Cairo polynomial commitment
  - #[serde(bound = "PolyComm<G>: Serialize + DeserializeOwned")]
  - pub cairo_comm: Option<[PolyComm<G>; turshi::CIRCUIT_GATE_COUNT]>,
  -
  /// wire coordinate shifts
  #[serde_as(as = "[o1_utils::serialization::SerdeAs; PERMUTS]")]
  pub shift: [ScalarField<G>; PERMUTS],
  @@ -1340,8 +1336,6 @@ pub struct ProofEvaluations<Field> {
  pub generic_selector: Field,
  /// evaluation of the poseidon selector polynomial
  pub poseidon_selector: Field,
  - /// evaluation of the cairo selector polynomial
  - pub cairo_selector: Option<[Field; crate::circuits::polynomials::turshi::CIRCUIT_GATE_COUNT]>,
  }
  /// Commitments linked to the lookup feature
  