fixes #2043 Remove From Library doesn't remove photo.
fixes #2043 Remove From Library doesn't remove photo.

polymeris/shotwell,polymeris/shotwell,h4ck3rm1k3/shotwell,Sanva/shotwell-gsoc,h4ck3rm1k3/shotwell,abrauchli/shotwell,abrauchli/shotwell,jof/shotwell,Sanva/shotwell-gsoc,ritchiewilson/shotwell,ritchiewilson/shotwell,jimbonator/shotwell,damianmoore/shotwell,jimbonator/shotwell,polymeris/shotwell,damianmoore/shotwell,jof/shotwell,damianmoore/shotwell,h4ck3rm1k3/shotwell,jof/shotwell,ritchiewilson/shotwell,Sanva/shotwell-gsoc,jimbonator/shotwell,abrauchli/shotwell