불필요한 line number 제거

https://github.com/kei01138/djangoProject#%EC%82%AC%EC%A7%84%EC%9D%B4-%EC%A0%80%EC%9E%A5%EB%90%A0-%EA%B3%B5%EA%B0%84-%EC%84%A4%EC%A0%95

As-is:
```python
126 MEDIA_ROOT = os.path.join(BASE_DIR, 'media')
127 MEDIA_URL = '/media/'
```

To-be:
```python
MEDIA_ROOT = os.path.join(BASE_DIR, 'media')
MEDIA_URL = '/media/'
```