Clippy is fixed with dead code

Author: dmitrylavrenov

crates/humanode-runtime/src/evm_tracer.rs

@@ -2,9 +2,6 @@
 //!
 //! Proxies EVM messages to the host functions.
 
-// TODO: fix clippy.
-#![allow(dead_code)]
-
 use codec::Encode;
 use evm::tracing::{using as evm_using, EventListener as EvmListener};
 use evm_gasometer::tracing::{using as gasometer_using, EventListener as GasometerListener};