删除冗余代码

TEAMModelFunction/TriggerExam.cs

@@ -92,10 +92,6 @@ namespace TEAMModelFunction
                         }
                         break;
                     case "going":
-                        List<string> classes = new List<string>();
-                        foreach (string ss in info.classes) {
-                            classes.Add(ss);
-                        }
                         (List<TmdInfo> tmdids, List<StuInfo> studentss,List<ClassListInfo> classLists) = await TriggerStuActivity.GetStuList(client, _dingDing, info.classes, info.school);
                         List<StuActivity> stuActivities = new List<StuActivity>();
                         List<StuActivity> tmdActivities = new List<StuActivity>();