Fix clippy

Author: TorstenStueber

substrate/frame/revive/src/address.rs

@@ -99,6 +99,7 @@ pub struct AccountId32Mapper<T>(PhantomData<T>);
 /// The mapper to be used if the account id is `H160`.
 ///
 /// It just trivially returns its inputs and doesn't make use of any state.
+#[allow(dead_code)]
 pub struct H160Mapper<T>(PhantomData<T>);
 
 /// An account mapper that can be used for testing u64 account ids.

substrate/frame/revive/src/tests/pvm.rs

@@ -205,8 +205,6 @@ fn instantiate_and_call_and_deposit_event() {
 			.build_and_unwrap_contract();
 		assert!(AccountInfoOf::<Test>::contains_key(&addr));
 
-		let hold_balance = contract_base_deposit(&addr);
-
 		assert_eq!(
 			System::events(),
 			vec![
@@ -930,9 +928,6 @@ fn self_destruct_by_precompile_works() {
 			.native_value(initial_contract_balance)
 			.build_and_unwrap_contract();
 
-		let hold_balance = contract_base_deposit(&contract.addr);
-		let upload_deposit = get_code_deposit(&code_hash);
-
 		// Check that the BOB contract has been instantiated.
 		let _ = get_contract(&contract.addr);