[FrameworkBundle][HttpKernel] Remove remaining $triggerDeprecation flag

Author: ogizanagi

src/Symfony/Bundle/FrameworkBundle/Resources/config/services.xml

@@ -13,7 +13,6 @@
             <argument type="service" id="event_dispatcher" />
             <argument type="service" id="controller_resolver" />
             <argument type="service" id="request_stack" />
-            <argument>false</argument>
         </service>
 
         <service id="request_stack" class="Symfony\Component\HttpFoundation\RequestStack" />