improve inheritance with translations i18n.js files

vue-i18n --> chill main i18n ---( )---> app index
chill bundle i18n --> app i18n --^

src/Bundle/ChillPersonBundle/Resources/public/vuejs/_js/i18n.js

@@ -1,43 +1,12 @@
-const datetimeFormats = {
-   fr: {
-      short: {
-         year: "numeric",
-         month: "numeric",
-         day: "numeric"
-      },
-      long: {
-         year: "numeric",
-         month: "short",
-         day: "numeric",
-         weekday: "short",
-         hour: "numeric",
-         minute: "numeric",
-         hour12: false
-      }
-   }
-};
 const personMessages = {
    fr: {
-      action: {
-         actions: "Actions",
-         show: "Voir",
-         edit: "Modifier",
-         create: "Créer",
-         remove: "Enlever",
-         delete: "Supprimer",
-         save: "Enregistrer",
-         showModal: "Ouvrir une modale",
-         ok: "OK",
-         cancel: "Annuler",
-         close: "Fermer",
-         next: "Suivant",
-         previous: "Précédent",
-         back: "Retour"
+      add_persons: {
+         search_add_others_persons: "Rechercher et ajouter d'autres usagers",
+         title: "Ajouter des usagers",
       }
    }
-}
+};
 
 export {
-   datetimeFormats,
    personMessages
 };