def delete_updated_token
      # change all matching tokens on update
      accounts = PlaidRails::Account.where(access_token: my_token)
      if  accounts.size > 0
        delete_connect
      end
    end
def delete_updated_token
      # change all matching tokens on update
      accounts = PlaidRails::Account.where(access_token: my_token)
      if  accounts.size > 0
        delete_connect
      end
    end
delete token from Plaid if there are no more accounts for this token