removed unused code

Author: kerryjiang

src/Infrastructure/BotSharp.Core/Conversations/Services/ConversationService.SendMessage.cs

@@ -171,18 +171,4 @@ await hook.OnResponseGenerated(response)
         // Add to dialog history
         _storage.Append(_conversationId, response);
     }
-
-    private List<IConversationHook> ReOrderConversationHooks(List<IConversationHook> hooks)
-    {
-        var target = "ChatHubConversationHook";
-        var chathub = hooks.FirstOrDefault(x => x.GetType().Name == target);
-        var otherHooks = hooks.Where(x => x.GetType().Name != target).ToList();
-
-        if (chathub != null)
-        {
-            var newHooks = new List<IConversationHook> { chathub }.Concat(otherHooks);
-            return newHooks.ToList();
-        }
-        return hooks;
-    }
 }