Move factory linting to CI cycle

No need to do this before each and every spec or example. Speeds
up suite and make things less fragile.

lib/tasks/factory_bot.rake

@@ -1,17 +1,14 @@
-# frozen_string_literal: true
-
 namespace :factory_bot do
   desc "Verify that all FactoryBot factories are valid"
   task lint: :environment do
     if Rails.env.test?
-      begin
-        DatabaseCleaner.start
+      conn = ActiveRecord::Base.connection
+      conn.transaction do
         FactoryBot.lint
-      ensure
-        DatabaseCleaner.clean
+        raise ActiveRecord::Rollback
       end
     else
-      system("bundle exec rake factory_bot:lint RAILS_ENV='test'")
+      raise "\nERROR: You should not run this outside the test environment...\n\n"
     end
   end
 end

lib/tasks/migrate_config.rake

@@ -28,7 +28,6 @@ namespace :data do
       dot_env.puts "OSEM_ICHAIN_ENABLED=\"#{CONFIG['authentication']['ichain']['enabled']}\"" if CONFIG.has_key?(:authentication)
       dot_env.puts "OSEM_TRANSIFEX_APIKEY=\"#{CONFIG['transifex_live_api_key']}\""
       dot_env.puts "OSEM_ERRBIT_HOST=\"#{CONFIG['errbit_host']}\""
-      dot_env.puts "OSEM_FACTORY_LINT=\"#{CONFIG['factory_bot_lint']}\""
       dot_env.puts "OSEM_SMTP_ADDRESS=\"#{CONFIG['mail_address']}\""
       dot_env.puts "OSEM_SMTP_PORT=\"#{CONFIG['mail_port']}\""
       dot_env.puts "OSEM_SMTP_USERNAME=\"#{CONFIG['mail_username']}\""