cleaning useless code

src/views/TrainingDetails.vue

@@ -377,7 +377,6 @@
           class="px-0"
           v-if="trainingCourse.id"
           :trainingCourse="trainingCourse"
-          @change="fetchReload"
         />
         <TrainingAttendance
           ref="trainingAttendance"
@@ -521,11 +520,6 @@ export default {
     this.initialLoad = false;
   },
   methods: {
-    fetchReload(value) {
-      if (value) {
-        this.trigger += 1;
-      }
-    },
     closeAddStudentDialog() {
       this.state.isAddingStudent = false;
     },