update-debsources: clean up of old sources.txt
update-debsources: clean up of old sources.txt

zacchiro/debsources,matthieucan/debsources,sophiejjj/debsources,zacchiro/debsources,vivekanand1101/debsources,matthieucan/debsources,vivekanand1101/debsources,clemux/debsources,devoxel/debsources,oorestisime/debsources,sophiejjj/debsources,devoxel/debsources,oorestisime/debsources,matthieucan/debsources,devoxel/debsources,oorestisime/debsources,nonas/debian-qa,clemux/debsources,zacchiro/debsources,nonas/debian-qa,matthieucan/debsources,clemux/debsources,zacchiro/debsources,Debian/debsources,sophiejjj/debsources,clemux/debsources,clemux/debsources,nonas/debian-qa,devoxel/debsources,vivekanand1101/debsources,oorestisime/debsources,devoxel/debsources,sophiejjj/debsources,zacchiro/debsources,vivekanand1101/debsources,oorestisime/debsources,sophiejjj/debsources,Debian/debsources,Debian/debsources,Debian/debsources,Debian/debsources,vivekanand1101/debsources,nonas/debian-qa,matthieucan/debsources