Remove deploy_result.state

Task is running on remote worker - do not have access to result state:

Error:
Traceback (most recent call last):
File "C:\Python27\lib\site-packages\tornado\web.py", line 1141, in
_when_complete
callback()
File "C:\Python27\lib\site-packages\tornado\web.py", line 1162, in
_execute_method
self._when_complete(method(*self.path_args, **self.path_kwargs),
File "C:\Python27\lib\site-packages\tornado\web.py", line 2297, in
wrapper
return method(self, *args, **kwargs)
File "C:\Python27\lib\site-packages\teststar\api\tasks.py", line 90, in
post
logging.info("Deploy Package state '%s' " % deploy_result.state)
File "C:\Python27\lib\site-packages\celery\result.py", line 272, in
state
return self.backend.get_status(self.id)
File "C:\Python27\lib\site-packages\celery\backends\base.py", line 540,
in _is_disabled
'No result backend configured.  '
NotImplementedError: No result backend configured.  Please see the
documentation for more information.