refactor(工作台): 待更新用例列表数据查询优化

--user=郭雨琦

backend/src/main/java/io/metersphere/api/service/ApiTestCaseService.java

@@ -246,10 +246,6 @@ public class ApiTestCaseService {
                     filters.put("status", new ArrayList<>());
                 }
             }
-            if (request.isToUpdate()) {
-                Long timestamp = DateUtils.getTimestamp(-3);
-                request.setUpdateTime(timestamp);
-            }
             request.setOrders(orders);
         }
         if (checkThisWeekData) {