Remove UNIQUE constraint until we're sure we need it, as it's easier to add later than remove
Remove UNIQUE constraint until we're sure we need it, as it's easier to add later than remove

friedger/openbadges-badgekit,phusion/openbadges-badgekit,larssvekis/openbadges-badgekit,phusion/openbadges-badgekit,bethadele/openbadges-badgekit,mozilla/openbadges-badgekit,larssvekis/openbadges-badgekit,mozilla/openbadges-badgekit,bethadele/openbadges-badgekit,friedger/openbadges-badgekit