Use system backend default class

As multinode models are using backend default class for ceilometer
it also should be used for aio.

Change-Id: If9cc0fc5e98519535c4531df9d8e81574467e6de
1 file changed
tree: c7e470af913b246edccca20e69f7749444d7218c
  1. classes/
  2. .gitmodules
  3. .gitreview