refactor(kv): 整理存档接线并清理迁移冗余实现

Client/Assets/Scripts/EventPartnerGather/PartnerInfoManager.cs

@@ -49,7 +49,6 @@ namespace EventPartnerGather
         {
             BuildPartners = new BuildPartner[_tables.TbEventPartnerConfig.InvitationCount[1]];
         }
-        internal bool HasSubscriptionsForKVLoad => disposables != null;
         //
         public bool IsFullyMatched => BuildPartners.All(b => b != null && b.IsValid());