Fix clippy warnings (#1385)

## Issue Addressed

NA

## Proposed Changes

Fixes most clippy warnings and ignores the rest of them, see issue #1388.

consensus/proto_array/src/bin.rs

@@ -1,5 +1,4 @@
 use proto_array::fork_choice_test_definition::*;
-use serde_yaml;
 use std::fs::File;
 
 fn main() {