fix: typo (#269)

* fix: typo

* remove test

auction-server/src/auction/repository/remove_in_memory_auction_lock.rs

@@ -9,12 +9,12 @@ use {
 
 impl<T: ChainTrait> Repository<T> {
     pub async fn remove_in_memory_auction_lock(&self, key: &entities::PermissionKey<T>) {
-        let mut mutex_gaurd = self.in_memory_store.auction_lock.lock().await;
-        let auction_lock = mutex_gaurd.get(key);
+        let mut mutex_guard = self.in_memory_store.auction_lock.lock().await;
+        let auction_lock = mutex_guard.get(key);
         if let Some(auction_lock) = auction_lock {
             // Whenever there is no thread borrowing a lock for this key, we can remove it from the locks HashMap.
             if Arc::strong_count(auction_lock) == 1 {
-                mutex_gaurd.remove(key);
+                mutex_guard.remove(key);
             }
         }
     }