Removed more unused imports.

bin/pyqso

@@ -17,7 +17,7 @@
 #    You should have received a copy of the GNU General Public License
 #    along with PyQSO.  If not, see <http://www.gnu.org/licenses/>.
 
-from gi.repository import Gtk, GObject, Gdk, GdkPixbuf
+from gi.repository import Gtk, GdkPixbuf
 import argparse
 import ConfigParser
 import os