minor #22694 [TwigBundle] Remove ClassExistenceResource usage (ogizan…

…agi)

This PR was merged into the 3.3-dev branch.

Discussion
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[TwigBundle] Remove ClassExistenceResource usage

| Q             | A
| ------------- | ---
| Branch?       | master
| Bug fix?      | yes
| New feature?  | no
| BC breaks?    | no
| Deprecations? | no
| Tests pass?   | yes/no
| Fixed tickets | N/A
| License       | MIT
| Doc PR        | N/A

Usage of this class were removed in #21466

Commits
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85f6710 [TwigBundle] Remove ClassExistenceResource usage

src/Symfony/Bundle/TwigBundle/DependencyInjection/Compiler/ExtensionPass.php

@@ -107,7 +107,6 @@ public function process(ContainerBuilder $container)
             $container->getDefinition('twig.extension.expression')->addTag('twig.extension');
         }
 
-        $container->addResource(new ClassExistenceResource(Workflow::class));
         if (!class_exists(Workflow::class) || !$container->has('workflow.registry')) {
             $container->removeDefinition('workflow.twig_extension');
         } else {