Calls the discard_alarm_sync method on the given backend.
| this |
An ECalBackendSync object. |
| cal |
An EDataCal object. |
| cancellable |
a Cancellable for the operation |
| uid |
Unique id of the calendar object. |
| rid |
Recurrence id of the calendar object. |
| auid |
Alarm ID to remove. |
| opflags |
bit-or of OperationFlags |