Fixed Compiler Warnings & Failing Tests (#3771)

consensus/state_processing/src/per_block_processing/block_signature_verifier.rs

@@ -8,7 +8,7 @@ use rayon::prelude::*;
 use std::borrow::Cow;
 use types::{
     AbstractExecPayload, BeaconState, BeaconStateError, ChainSpec, EthSpec, Hash256,
-    IndexedAttestation, SignedBeaconBlock,
+    SignedBeaconBlock,
 };
 
 pub type Result<T> = std::result::Result<T, Error>;