Remove code related to Launchpad auth or 37id Users

script/migrations/create-accounts-in-staging.rb

@@ -1,21 +0,0 @@
-#!/usr/bin/env ruby
-
-require_relative "../config/environment"
-
-ApplicationRecord.with_each_tenant do |tenant|
-  account = Account.sole
-  signal_account = account.signal_account
-
-  signal_users = SignalId::User.where(account_id: signal_account.id)
-
-  signal_users.each do |signal_user|
-    unless User.find_by(signal_user_id: signal_user.id)
-      User.create!(
-        name: signal_user.identity.name,
-        email_address: signal_user.identity.email_address,
-        signal_user_id: signal_user.id,
-        password:       SecureRandom.hex(36) # TODO: remove password column?
-      )
-    end
-  end
-end