FalconStor: Drop the copy_image_to_volume feature
FalconStor: Drop the copy_image_to_volume feature

The inheritance class changed and the implementation layer at os_brick.
FSS is not a NFS storage so we drop it.

Change-Id: I200eac3ff7e7dd5da893cce527a2d5491ff07a87
Closes-Bug: #1614350

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