fix(wording): fix on advantages

Author: Guikingone

service_container/injection_types.rst

@@ -187,14 +187,6 @@ so, what are the advantages?
 * You can easily change the injected service as long as it respect the interface/type
   asked by the initial service.
 
-* It allow you to get rid of factory usages which can lead a more complex code
-
-* As the dependency is optional, you can easily decide to receive the service
-  without using the "with" method.
-
-* As the method automatically receive and set the attribute value,
-  you couldn't obtain the newly created service without this dependency.
-
 The disadvantages are:
 
 * As the ``@return static`` docblock is required by the container to