fixes delete all query

Author: otaviojava

mongodb-driver/src/main/java/org/jnosql/diana/mongodb/document/MongoDBDocumentCollectionManager.java

@@ -127,8 +127,7 @@ public void delete(DocumentDeleteQuery query) {
 
         String collectionName = query.getDocumentCollection();
         MongoCollection<Document> collection = mongoDatabase.getCollection(collectionName);
-        Bson mongoDBQuery = DocumentQueryConversor.convert(query.getCondition()
-                .orElseThrow(() -> new IllegalArgumentException("condition is required")));
+        Bson mongoDBQuery = query.getCondition().map(DocumentQueryConversor::convert).orElse(EMPTY);;
         collection.deleteMany(mongoDBQuery);
     }