Delete SlotClock errs from block_processing, tidy.

beacon_node/beacon_chain/test_harness/src/validator/beacon_node/attester.rs

@@ -1,6 +1,5 @@
 use super::BenchingBeaconNode;
 use attester::{BeaconNode as AttesterBeaconNode, BeaconNodeError as NodeError, PublishOutcome};
-use beacon_chain::block_processing::Error as ProcessingError;
 use beacon_chain::block_production::Error as BlockProductionError;
 use db::ClientDB;
 use slot_clock::SlotClock;
@@ -9,7 +8,6 @@ use types::{AttestationData, FreeAttestation};
 impl<T: ClientDB, U: SlotClock> AttesterBeaconNode for BenchingBeaconNode<T, U>
 where
     BlockProductionError: From<<U>::Error>,
-    ProcessingError: From<<U as SlotClock>::Error>,
 {
     fn produce_attestation_data(
         &self,

beacon_node/beacon_chain/test_harness/src/validator/beacon_node/producer.rs

@@ -1,5 +1,4 @@
 use super::BenchingBeaconNode;
-use beacon_chain::block_processing::Error as ProcessingError;
 use beacon_chain::block_production::Error as BlockProductionError;
 use block_producer::{
     BeaconNode as BeaconBlockNode, BeaconNodeError as BeaconBlockNodeError, PublishOutcome,
@@ -11,7 +10,6 @@ use types::{BeaconBlock, PublicKey, Signature};
 impl<T: ClientDB, U: SlotClock> BeaconBlockNode for BenchingBeaconNode<T, U>
 where
     BlockProductionError: From<<U>::Error>,
-    ProcessingError: From<<U as SlotClock>::Error>,
 {
     /// Requests the `proposer_nonce` from the `BeaconChain`.
     fn proposer_nonce(&self, pubkey: &PublicKey) -> Result<u64, BeaconBlockNodeError> {

beacon_node/beacon_chain/test_harness/src/validator/mod.rs

@@ -2,7 +2,6 @@ use attester::{Attester, Error as AttestationPollError};
 use beacon_chain::BeaconChain;
 use block_producer::{BlockProducer, Error as BlockPollError};
 use db::MemoryDB;
-use log::trace;
 use signer::TestSigner;
 use slot_clock::TestingSlotClock;
 use std::sync::Arc;