fixup! fixup! Ensure that bad HTTP status codes result in the producer retrying

Author: Qqwy

opsqueue/src/producer/client.rs

@@ -3,7 +3,6 @@ use std::time::Duration;
 use backon::BackoffBuilder;
 use backon::FibonacciBuilder;
 use backon::Retryable;
-use http::StatusCode;
 
 use crate::common::submission::{SubmissionId, SubmissionStatus};
 use crate::tracing::CarrierMap;