Update keysets retrieval method to remove handling of legacy code
Update keysets retrieval method to remove handling of legacy code

oauth-io/oauthd,saltt/oauthd,oauth-io/oauthd,schaitanya/oauthd,dreadjr/oauthd,schaitanya/oauthd,oauth-io/oauthd,saltt/oauthd,saltt/oauthd,dreadjr/oauthd,schaitanya/oauthd,dreadjr/oauthd