fix: clippy clean for round-2 (pipeline module export, lint cleanup)

crates/mytheclipse-queue/src/worker.rs

@@ -4,7 +4,6 @@ use std::pin::Pin;
 use std::sync::Arc;
 use std::time::Duration;
 
-use async_trait::async_trait;
 use tokio::sync::Semaphore;
 
 use crate::error::JobError;