Delete the redundant expression expected_attrs
Delete the redundant expression expected_attrs

There have two similar expression, the difference of them are the
second one has more optional function paremeter, and the second one
can replace the first one.
So I think we can delete the first one because in face the second one
has been override the first one.

Change-Id: I79a6fada5a00f3774ff6f5b203b44a177e0153a5

openstack/cinder,phenoxim/cinder,phenoxim/cinder,eharney/cinder,ge0rgi/cinder,mahak/cinder,Datera/cinder,Datera/cinder,mahak/cinder,j-griffith/cinder,eharney/cinder,j-griffith/cinder,openstack/cinder