Fix clippy

Author: amit0365

protocol/src/lib.rs

@@ -29,7 +29,7 @@ use thiserror::Error;
 use zinc_piop::{
     combined_poly_resolver::{CombinedPolyResolverError, Proof as CombinedPolyResolverProof},
     ideal_check::{IdealCheckError, Proof as IdealCheckProof},
-    lookup::{BatchedLookupProof, LookupError},
+    lookup::LookupError,
     multipoint_eval::{MultipointEvalError, Proof as MultipointEvalProof},
     projections::ProjectedTrace,
     sumcheck::multi_degree::MultiDegreeSumcheckProof,