Removed some unused imports

src/gajim-remote.py

@@ -28,7 +28,6 @@
 # gajim-remote help will show you the D-BUS API of Gajim
 
 import sys
-import os
 import locale
 import signal
 signal.signal(signal.SIGINT, signal.SIG_DFL) # ^C exits the application

src/music_track_listener.py

@@ -23,7 +23,6 @@
 ## along with Gajim. If not, see <http://www.gnu.org/licenses/>.
 ##
 
-import os
 import gobject
 if __name__ == '__main__':
 	# install _() func before importing dbus_support

src/roster_window.py

@@ -50,7 +50,6 @@ import cell_renderer_image
 import tooltips
 import message_control
 import adhoc_commands
-import notify
 import features_window
 
 from common import gajim

src/vcard.py

@@ -39,7 +39,6 @@ import locale
 import os
 
 import gtkgui_helpers
-import message_control
 
 from common import helpers
 from common import gajim