[FrameworkBundle][Workflow] Fix deprectation when checking workflow.registry service in dump command

Author: Jean-Beru

src/Symfony/Bundle/FrameworkBundle/Command/WorkflowDumpCommand.php

@@ -27,16 +27,6 @@ class WorkflowDumpCommand extends ContainerAwareCommand
 {
     protected static $defaultName = 'workflow:dump';
 
-    /**
-     * {@inheritdoc}
-     *
-     * BC to be removed in 4.0
-     */
-    public function isEnabled()
-    {
-        return $this->getContainer()->has('workflow.registry');
-    }
-
     /**
      * {@inheritdoc}
      */

src/Symfony/Bundle/FrameworkBundle/DependencyInjection/FrameworkExtension.php

@@ -624,9 +624,7 @@ private function registerProfilerConfiguration(array $config, ContainerBuilder $
     private function registerWorkflowConfiguration(array $config, ContainerBuilder $container, XmlFileLoader $loader)
     {
         if (!$config['enabled']) {
-            if (!class_exists(Workflow\Workflow::class)) {
-                $container->removeDefinition(WorkflowDumpCommand::class);
-            }
+            $container->removeDefinition(WorkflowDumpCommand::class);
 
             return;
         }