Fix failing tests (#4423)

* Get tests passing

* Get benchmarks compiling

* Fix EF withdrawals test

* Remove unused deps

* Fix tree_hash panic in tests

* Fix slasher compilation

* Fix ssz_generic test

* Get more tests passing

* Fix EF tests for real

* Fix local testnet scripts

beacon_node/beacon_chain/tests/tests.rs

@@ -10,9 +10,7 @@ use beacon_chain::{
 };
 use lazy_static::lazy_static;
 use operation_pool::PersistedOperationPool;
-use state_processing::{
-    per_slot_processing, per_slot_processing::Error as SlotProcessingError, EpochProcessingError,
-};
+use state_processing::{per_slot_processing, per_slot_processing::Error as SlotProcessingError};
 use types::{
     BeaconState, BeaconStateError, EthSpec, Hash256, Keypair, MinimalEthSpec, RelativeEpoch, Slot,
 };
@@ -55,9 +53,7 @@ fn massive_skips() {
     assert!(state.slot() > 1, "the state should skip at least one slot");
     assert_eq!(
         error,
-        SlotProcessingError::EpochProcessingError(EpochProcessingError::BeaconStateError(
-            BeaconStateError::InsufficientValidators
-        )),
+        SlotProcessingError::BeaconStateError(BeaconStateError::InsufficientValidators),
         "should return error indicating that validators have been slashed out"
     )
 }