message: Remove some dead code.
diff: @@ -100,16 +100,10 @@ impl ApprovalsHashes {
  .map(|(deploy_hash, approvals_hash)| DeployId::new(*deploy_hash, *approvals_hash))
  }
  - #[allow(dead_code)]
  pub(crate) fn approvals_hashes(&self) -> &[ApprovalsHash] {
  self.approvals_hashes.as_ref()
  }
  - #[allow(dead_code)]
  - pub(crate) fn merkle_proof_approvals(&self) -> &TrieMerkleProof<Key, StoredValue> {
  - &self.merkle_proof_approvals
  - }
  -
  pub(crate) fn block_hash(&self) -> &BlockHash {
  &self.block_hash
  }
  