re-enable mirror update
re-enable mirror update

disabled by mistake in commit 35dae785371060e7a6a615e1a55054987c2ec3a4

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