Suppression des dépendances vers apigen, phpcs et phpmd.

composer.json

@@ -37,10 +37,7 @@
     },
     "require-dev": {
         "sensio/generator-bundle": "~2.3",
-        "phpunit/phpunit": "~4.5,<4.8",
-        "phpmd/phpmd": "~2.2",
-        "squizlabs/php_codesniffer": "~2.3",
-        "apigen/apigen": "~4.0"
+        "phpunit/phpunit": "~4.5,<4.8"
     },
     "suggest": {
         "white-october/pagerfanta-bundle": "Pour utiliser la page d'administration."