Remove cloud folder

[pvizeli]

Happens if someone removes the cloud folder on runtime. Should be not a real user case but should also not throw an error

Traceback (most recent call last):
  File "/usr/local/lib/python3.7/site-packages/homeassistant/components/cloud/http_api.py", line 117, in error_handler
    result = await handler(view, request, *args, **kwargs)
  File "/usr/local/lib/python3.7/site-packages/homeassistant/components/http/data_validator.py", line 46, in wrapper
    result = await method(view, request, *args, **kwargs)
  File "/usr/local/lib/python3.7/site-packages/homeassistant/components/cloud/http_api.py", line 197, in post
    data['password'])
  File "/usr/local/lib/python3.7/concurrent/futures/thread.py", line 57, in run
    result = self.fn(*self.args, **self.kwargs)
  File "/usr/local/lib/python3.7/site-packages/hass_nabucasa/auth.py", line 138, in login
    self.cloud.write_user_info()
  File "/usr/local/lib/python3.7/site-packages/hass_nabucasa/__init__.py", line 162, in write_user_info
    indent=4,
  File "/usr/local/lib/python3.7/pathlib.py", line 1218, in write_text
    with self.open(mode='w', encoding=encoding, errors=errors) as f:
  File "/usr/local/lib/python3.7/pathlib.py", line 1186, in open
    opener=self._opener)
  File "/usr/local/lib/python3.7/pathlib.py", line 1039, in _opener
    return self._accessor.open(self, flags, mode)
FileNotFoundError: [Errno 2] No such file or directory: '/config/.cloud/production_auth.json'