public async Task <IActionResult> UnassignMarker(int competitionId, int competitionInstanceId, int eventId, int heatId, int markerId)
{
await _markerService.UnassignMarkerAsync(new AssignMarkerToHeatViewModel { HeatId = heatId, MarkerId = markerId });
return(RedirectToAction("Markers", "Heat", new { competitionId, competitionInstanceId, eventId, heatId }));
}
