fix nitpicks

entity.services.yml

@@ -10,7 +10,6 @@ services:
     tags:
       - { name: route_enhancer, priority: 20 }
 
-
   access_checker.entity_revision:
     class: \Drupal\entity\Access\EntityRevisionRouteAccessChecker
     arguments: ['@entity_type.manager']

src/Routing/RevisionRouteProvider.php

@@ -23,7 +23,6 @@ class RevisionRouteProvider implements EntityRouteProviderInterface {
   public function getRoutes(EntityTypeInterface $entity_type) {
     $collection = new RouteCollection();
     $entity_type_id = $entity_type->id();
-
     if ($view_route = $this->getRevisionViewRoute($entity_type)) {
       $collection->add("entity.$entity_type_id.revision", $view_route);
     }