Updated openstack/openstack
Project: openstack/cinder  7322e5d78313039d5eccf0dadda17782edc6ae4b
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On create_volume flow get rid of host parameter

On manager create_volume flow save host parameter to volume_ref immediately
when create volume_ref and remove host parameter from other tasks.

Change-Id: Ifc672741c317112b084a076ca65c11c5d0290930