Update repositories, remove references to admin id

app/Api/V2/Controllers/Model/Bill/ShowController.php

@@ -52,6 +52,7 @@ class ShowController extends Controller
             function ($request, $next) {
                 $this->repository = app(BillRepositoryInterface::class);
 
+                // new way of user group validation
                 $userGroup = $this->validateUserGroup($request);
                 if (null !== $userGroup) {
                     $this->repository->setUserGroup($userGroup);