Replace uses of dev_env_or_com with com

ee/app/controllers/ee/application_controller.rb

ee/app/controllers/ee/registrations/welcome_controller.rb

ee/app/controllers/survey_responses_controller.rb

ee/app/helpers/ee/ci/pipelines_helper.rb

ee/app/helpers/ee/ci/runners_helper.rb

ee/app/helpers/ee/trial_registration_helper.rb

ee/app/helpers/ee/users/callouts_helper.rb

ee/app/helpers/ee/welcome_helper.rb

ee/app/helpers/seats_count_alert_helper.rb

ee/app/models/ee/user.rb

ee/app/models/gitlab_subscription.rb

ee/app/services/ee/notification_service.rb

ee/app/views/admin/application_settings/_slack.html.haml

ee/app/views/namespaces/pipelines_quota/_list.haml

...pp/views/registrations/welcome/_joining_project.html.haml

.../views/registrations/welcome/_setup_for_company.html.haml

...expired_namespace_subscriptions_from_index_cron_worker.rb

ee/lib/ee/gitlab/gon_helper.rb

ee/lib/gitlab/com.rb

ee/spec/controllers/registrations/groups_controller_spec.rb