remove signup_codes (was only used for beta)
remove signup_codes (was only used for beta)

OpenHumans/open-humans,PersonalGenomesOrg/open-humans,OpenHumans/open-humans,PersonalGenomesOrg/open-humans,OpenHumans/open-humans,PersonalGenomesOrg/open-humans,PersonalGenomesOrg/open-humans,OpenHumans/open-humans