removed useless contents

app.py

@@ -192,8 +192,6 @@ async def generate_and_store_courses(req: GenerateRequest):
                     "description": course.get('description', ''),
                     "length_of_content": practice_count,
                     "content": None,
-                    "is_completed": False,
-                    "current_index": 0,
                     "internal_meta": {
                         "internal_only": True,
                         "target_language": req.target_language,