Remove deprecated sink functions
Remove deprecated sink functions

This is handled automatically now; see commit 00a85f6a844714d1 in pygobject.

https://bugzilla.gnome.org/show_bug.cgi?id=624834

amremam2004/pygtk,nzjrs/pygtk,GNOME/pygtk,amremam2004/pygtk,GNOME/pygtk,nzjrs/pygtk,amremam2004/pygtk,Distrotech/pygtk,Distrotech/pygtk,nzjrs/pygtk,Distrotech/pygtk,GNOME/pygtk