delete method
deletes atsign
from followers and following list.
Implementation
Future delete(String atsign) async {
Completer c = Completer();
try {
setStatus(Status.loading);
var result = await _connectionsService.delete(atsign);
if (result) {
followingList!.removeWhere((element) => element.title == atsign);
followersList!.removeWhere((element) => element.title == atsign);
}
setStatus(Status.done);
c.complete(true);
} catch (e) {
_logger.severe('deleting $atsign throws $e');
this.error = e;
setStatus(Status.error);
}
}