This function allows the removal of instances of a recurrent appointment.
By using a combination of the uid, rid and mod arguments, you can remove specific instances. If
what you want is to remove all instances, use null rid and
ALL for the mod.
The call is finished by remove_object.end from the callback.
| this |
an Client |
| uid |
UID of the object to remove |
| rid |
Recurrence ID of the specific recurrence to remove |
| mod |
Type of the removal |
| opflags |
bit-or of OperationFlags |
| cancellable |
a Cancellable; can be null |
| callback |
callback to call when a result is ready |
| user_data |
user data for the |