fix warning

Author: sistemd

substrate/client/consensus/babe/src/lib.rs

@@ -120,7 +120,7 @@ use sp_consensus::{BlockOrigin, Environment, Error as ConsensusError, Proposer,
 use sp_consensus_babe::{inherents::BabeInherentData, SlotDuration};
 use sp_consensus_slots::Slot;
 use sp_core::traits::SpawnEssentialNamed;
-use sp_inherents::{CreateInherentDataProviders, InherentData, InherentDataProvider};
+use sp_inherents::{CreateInherentDataProviders, InherentDataProvider};
 use sp_keystore::KeystorePtr;
 use sp_runtime::{
 	generic::OpaqueDigestItemId,