bug修复，去除冗余代码

order_kucoin.js

@@ -123,12 +123,8 @@ class Order {
           console.error("搜索订单出错");
           console.error(error);
           let timeout = 100;
-          if(error.code == '2091' || error.code == '4003'){
-            console.log("2秒后再继续搜索");
-            timeout = 2000;
-          }
           setTimeout(() => {
-            this.api.searchOrder(orderId, this.handleSearchResult.bind(this, orderId, symbol, side, callback));
+            this.api.searchOrder(orderId, handleSearchResult.bind(this, orderId, symbol, side, callback));
           }, timeout);
         }
         if(!result || !result.data){