message: Clean up librustzcash imports
diff: // Catch documentation errors caused by code changes.
  #![deny(intra_doc_link_resolution_failure)]
  -use lazy_static;
  -
  -use ff::{PrimeField, PrimeFieldRepr};
  -use pairing::bls12_381::{Bls12, Fr, FrRepr};
  -
  -use zcash_primitives::{
  - constants::CRH_IVK_PERSONALIZATION,
  - jubjub::{
  - edwards,
  - fs::{Fs, FsRepr},
  - FixedGenerators, JubjubEngine, JubjubParams, PrimeOrder, ToUniform, Unknown,
  - },
  -};
  -
  -use zcash_proofs::circuit::sapling::TREE_DEPTH as SAPLING_TREE_DEPTH;
  -use zcash_proofs::circuit::sprout::{self, TREE_DEPTH as SPROUT_TREE_DEPTH};
  -
  -use bellman::gadgets::multipack;
  -use bellman::groth16::{
  - create_random_proof, verify_proof, Parameters, PreparedVerifyingKey, Proof,
  +use bellman::{
  + gadgets::multipack,
  + groth16::{create_random_proof, verify_proof, Parameters, PreparedVerifyingKey, Proof},
  };
  -
  use blake2s_simd::Params as Blake2sParams;
  -
  use byteorder::{LittleEndian, ReadBytesExt, WriteBytesExt};
  -
  -use rand_core::{OsRng, RngCore};
  -use std::io::BufReader;
  -
  +use ff::{PrimeField, PrimeFieldRepr};
  +use lazy_static;
  use libc::{c_char, c_uchar, size_t};
  +use pairing::bls12_381::{Bls12, Fr, FrRepr};
  +use rand_core::{OsRng, RngCore};
  use std::ffi::CStr;
  use std::fs::File;
  +use std::io::BufReader;
  use std::path::{Path, PathBuf};
  use std::slice;
  @@ -48,6 +30,12 @@ use std::os::windows::ffi::OsStringExt;
  use zcash_primitives::{
  block::equihash,
  + constants::CRH_IVK_PERSONALIZATION,
  + jubjub::{
  + edwards,
  + fs::{Fs, FsRepr},
  + FixedGenerators, JubjubEngine, JubjubParams, PrimeOrder, ToUniform, Unknown,
  + },
  merkle_tree::CommitmentTreeWitness,
  note_encryption::sapling_ka_agree,
  primitives::{Diversifier, Note, PaymentAddress, ProofGenerationKey, ViewingKey},
  @@ -57,6 +45,10 @@ use zcash_primitives::{
  zip32, JUBJUB,
  };
  use zcash_proofs::{
  + circuit::{
  + sapling::TREE_DEPTH as SAPLING_TREE_DEPTH,
  + sprout::{self, TREE_DEPTH as SPROUT_TREE_DEPTH},
  + },
  load_parameters,
  sapling::{SaplingProvingContext, SaplingVerificationContext},
  };
  