chore: linting

Author: noahlevi

thoth-api/src/storage/mod.rs

@@ -276,17 +276,13 @@ pub fn build_cdn_url(cdn_domain: &str, object_key: &str) -> String {
 pub(crate) mod tests {
     use super::*;
     use crate::model::Timestamp;
-    use std::sync::{Mutex, MutexGuard};
+    use std::sync::Mutex;
     use uuid::Uuid;
 
     lazy_static::lazy_static! {
         static ref ENV_LOCK: Mutex<()> = Mutex::new(());
     }
 
-    pub(crate) fn env_lock() -> MutexGuard<'static, ()> {
-        ENV_LOCK.lock().unwrap()
-    }
-
     fn create_test_imprint_with_storage() -> Imprint {
         Imprint {
             imprint_id: Uuid::new_v4(),