MOBILE-2431 calendar: Fix update event notification time

src/addon/calendar/providers/calendar.ts

@@ -592,9 +592,8 @@ export class AddonCalendarProvider {
                 return Promise.reject(null);
             }
 
-            event.notificationtime = time;
-
-            return site.getDb().insertRecord(AddonCalendarProvider.EVENTS_TABLE, event).then(() => {
+            return site.getDb().updateRecords(AddonCalendarProvider.EVENTS_TABLE, {notificationtime: time}, {id: event.id})
+                    .then(() => {
                 return this.scheduleEventNotification(event, time);
             });
         });

src/addon/mod/quiz/lang/en.json

@@ -32,7 +32,6 @@
     "gradehighest": "Highest grade",
     "grademethod": "Grading method",
     "gradesofar": "{{$a.method}}: {{$a.mygrade}} / {{$a.quizgrade}}.",
-    "hasdatatosync": "This quiz has offline data to be synchronised.",
     "marks": "Marks",
     "mustbesubmittedby": "This attempt must be submitted by {{$a}}.",
     "noquestions": "No questions have been added yet",