Remove kwargs 'message' when exception is created
Remove kwargs 'message' when exception is created

Now when rpc client rebuild exception at the middleware,
the process will always fail because we have duplicate
keyword 'message' there.  Considering we already have a bunch
of exceptions who need format key 'message' as below:

```
class VolumeDriverException(CinderException):
    message = _("Volume driver reported an error: %(message)s")
```
Instead of refactor all of them, this patch just removes
the kwargs 'message' when exception is initialized.

Closes-Bug: #1728826

Change-Id: I6bfa34a42df1f44e16b7536246def610821b7cba
(cherry picked from commit c25a1485f2976bec871e804cb5aacd3fe095b05e)

Datera/cinder,Datera/cinder