Update basic stuff

config/services.yaml

@@ -9,15 +9,15 @@ services:
     # Read the documentation to see why we do this:
     # https://symfony.com/doc/current/service_container/autowiring.html#service-autowiring-alias
     #
-    Pcm\ExampleBundle\Greeting:
-        public: false
-        alias: pcm_example.greeting
+    # Pcm\ExampleBundle\Greeting:
+    #     public: false
+    #     alias: pcm_example.greeting
 
 
     # Mark the alias we created as public.
-    pcm_example.greeting:
-        public: true
-        class: Pcm\ExampleBundle\Greeting
+    # pcm_example.greeting:
+    #     public: true
+    #     class: Pcm\ExampleBundle\Greeting
 
 
     # If we were defining a twig extension, we'd want to add the twig.runtime tag