Fixed AutoSavedStore's deletion of data when table was using composite keys.

Store/RedemptionStore.cs

@@ -47,7 +47,7 @@ namespace HermesSocketServer.Store
         {
         }
 
-        protected override void OnInitialRemove(string key)
+        protected override void OnPostRemove(string key, Redemption value)
         {
         }
     }