Remove superflous BuildAdaptor attributes
Remove superflous BuildAdaptor attributes

Rather than maintaining two copies of status, percent_complete and
image_id.

redhat-imaging/imagefactory,jmcabandara/imagefactory,jmcabandara/imagefactory,henrysher/imagefactory,henrysher/imagefactory,redhat-imaging/imagefactory,LalatenduMohanty/imagefactory,LalatenduMohanty/imagefactory