code: public function deleteChild($idParent, FilterRequest $filters, $idChild, $relation)
      {
          $idParent = $this->getRealId($idParent);
          $idChild = $this->getRealId($idChild);
          
          $resource = $this->repository->deleteChild($idParent, $relation, $idChild);
          
          if ($resource == null) {
              // return $this->notFound();
          }
          
          return $this->success();
      }
docs: Delete a child
  
  @return \Illuminate\Http\Response