remove use statemetn

paritytech · paritytech-processbot · Jul 12, 2022 · May 25, 2022 · May 25, 2022 · May 30, 2022
commit 7f50156756fe5ec2eb1303b3645c717c3898661c
diff --git a/node/subsystem-util/src/rolling_session_window.rs b/node/subsystem-util/src/rolling_session_window.rs
@@ -28,7 +28,6 @@ use polkadot_node_subsystem::{
 	messages::{RuntimeApiMessage, RuntimeApiRequest},
 	overseer,
 };
-use thiserror::Error;
 
 /// Sessions unavailable in state to cache.
 #[derive(Debug, Clone, thiserror::Error)]