Update solr migration script to handle removing old devices from fstab.
Update solr migration script to handle removing old devices from fstab.

newsapps/panda,ibrahimcesar/panda,datadesk/panda,NUKnightLab/panda,NUKnightLab/panda,PalmBeachPost/panda,pandaproject/panda,datadesk/panda,NUKnightLab/panda,datadesk/panda,NUKnightLab/panda,ibrahimcesar/panda,newsapps/panda,newsapps/panda,ibrahimcesar/panda,PalmBeachPost/panda,PalmBeachPost/panda,datadesk/panda,pandaproject/panda,pandaproject/panda,PalmBeachPost/panda,PalmBeachPost/panda,pandaproject/panda,pandaproject/panda,ibrahimcesar/panda,newsapps/panda,ibrahimcesar/panda,datadesk/panda