minor #13792 Update factories.rst (atailouloute)

This PR was merged into the 4.4 branch.

Discussion
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Update factories.rst

Make php example coherent with yaml & xml

Commits
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0337649 Update factories.rst

Author: javiereguiluz

service_container/factories.rst

@@ -232,7 +232,6 @@ method name, just as routes can reference
             $services = $configurator->services();
 
             $services->set(NewsletterManager::class)
-                ->args([ref('templating')])
                 ->factory(ref(NewsletterManagerFactory::class));
         };