Use standard symfony normalizers

Author: ajgarlag

src/Bundle/Resources/config/services.xml

@@ -5,20 +5,10 @@
            xsi:schemaLocation="http://symfony.com/schema/dic/services http://symfony.com/schema/dic/services/services-1.0.xsd">
 
     <services>
-        <service id="dunglas_doctrine_json_odm.normalizer.raw_object" class="Symfony\Component\Serializer\Normalizer\ObjectNormalizer" public="false">
-            <argument type="service" id="serializer.mapping.class_metadata_factory" on-invalid="ignore" />
-            <argument>null</argument><!-- name converter -->
-            <argument type="service" id="serializer.property_accessor" />
-            <argument type="service" id="property_info" on-invalid="ignore" />
-            <argument type="service" id="serializer.mapping.class_discriminator_resolver" on-invalid="ignore" />
-        </service>
-
-        <service id="dunglas_doctrine_json_odm.normalizer.array" class="Symfony\Component\Serializer\Normalizer\ArrayDenormalizer" public="false" />
-
         <service id="dunglas_doctrine_json_odm.serializer" class="Dunglas\DoctrineJsonOdm\Serializer" public="true">
             <argument type="collection">
-                <argument type="service" id="dunglas_doctrine_json_odm.normalizer.array" />
-                <argument type="service" id="dunglas_doctrine_json_odm.normalizer.raw_object" />
+                <argument type="service" id="serializer.denormalizer.array" />
+                <argument type="service" id="serializer.normalizer.object" />
             </argument>
 
             <argument type="collection">