Remove extern crate (#5922)

* Remove extern crate

lcli/src/block_root.rs

@@ -32,6 +32,7 @@ use clap_utils::{parse_optional, parse_required};
 use environment::Environment;
 use eth2::{types::BlockId, BeaconNodeHttpClient, SensitiveUrl, Timeouts};
 use eth2_network_config::Eth2NetworkConfig;
+use log::info;
 use std::path::PathBuf;
 use std::time::{Duration, Instant};
 use types::{EthSpec, FullPayload, SignedBeaconBlock};