ubuntu One client is removed twice

Probably not a real biggy, but thought for slimness ubuntuone-client-gnome could be removed only once in 2-slim.sh.

#   11mb - ubuntuone, rhythymbox, remotedesktop
sudo apt-get -yq purge gir1.2-rb-3.0 gir1.2-ubuntuoneui-3.0 rhythmbox-data ubuntuone-client ubuntuone-couch unity-lens-video ubuntuone-installer unity-scope-video-remote rhythmbox unity-scope-musicstores rhythmbox-plugin-magnatune ubuntuone-control-panel librhythmbox-core5 unity-lens-music rhythmbox-ubuntuone libsyncdaemon-1.0-1 vino remmina-common rhythmbox-mozilla libubuntuoneui-3.0-1 remmina-plugin-rdp rhythmbox-plugin-zeitgeist remmina-plugin-vnc ubuntuone-client-gnome rhythmbox-plugin-cdrecorder rhythmbox-plugins remmina
#   5mb - Etc
sudo apt-get -yq purge usb-creator-gtk checkbox-gtk ubuntuone-client-gnome jockey-gtk computer-janitor-gtk