Fix deprecation warning

[sspat]

[2020-07-06T17:07:29.766289+03:00] php.INFO: User Deprecated: Since symfony/framework-bundle 5.1: Using type "Symfony\Component\Routing\RouteCollectionBuilder" for argument 1 of method "App\Kernel:configureRoutes()" is deprecated, use "Symfony\Component\Routing\Loader\Configurator\RoutingConfigurator" instead. {"exception":"[object] (ErrorException(code: 0): User Deprecated: Since symfony/framework-bundle 5.1: Using type "Symfony\Component\Routing\RouteCollectionBuilder" for argument 1 of method "App\Kernel:configureRoutes()" is deprecated, use "Symfony\Component\Routing\Loader\Configurator\RoutingConfigurator" instead. at /app/vendor/symfony/framework-bundle/Kernel/MicroKernelTrait.php:168)"} []
[2020-07-06T17:07:29.766591+03:00] php.INFO: User Deprecated: Since symfony/routing 5.1: The "Symfony\Component\Routing\RouteCollectionBuilder" class is deprecated, use "Symfony\Component\Routing\Loader\Configurator\RoutingConfigurator" instead. {"exception":"[object] (ErrorException(code: 0): User Deprecated: Since symfony/routing 5.1: The "Symfony\Component\Routing\RouteCollectionBuilder" class is deprecated, use "Symfony\Component\Routing\Loader\Configurator\RoutingConfigurator" instead. at /app/vendor/symfony/routing/RouteCollectionBuilder.php:19)"} []

[egorzot]

Are these deprecations still relevant?
There is no App\Kernel class in the bundle and bundle doesn't generate Kernel class.