97999: Remove old DR controllers (#20561)

* 97999: Remove old DR controller endpoints

* Remove DR contestable issues controllers

* Remove v1 decision review evidence upload test

* Fix CODEOWNERS

* Fix rebase issue

* Fix codeowners

* Remove old routes

Author: dfong-adh

.github/CODEOWNERS

@@ -158,19 +158,11 @@ app/controllers/v0/virtual_agent/virtual_agent_claim_status_controller.rb @depar
 app/controllers/v0/veteran_onboardings_controller.rb @department-of-veterans-affairs/backend-review-group @department-of-veterans-affairs/va-iir
 app/controllers/v1/apidocs_controller.rb @department-of-veterans-affairs/va-api-engineers @department-of-veterans-affairs/backend-review-group
 app/controllers/v1/gids @department-of-veterans-affairs/govcio-vfep-codereviewers @department-of-veterans-affairs/va-api-engineers @department-of-veterans-affairs/backend-review-group
-app/controllers/v1/higher_level_reviews @department-of-veterans-affairs/benefits-decision-reviews-be @department-of-veterans-affairs/backend-review-group
-app/controllers/v1/notice_of_disagreements @department-of-veterans-affairs/benefits-decision-reviews-be @department-of-veterans-affairs/va-api-engineers @department-of-veterans-affairs/backend-review-group
 app/controllers/v1/post911_gi_bill_statuses_controller.rb @department-of-veterans-affairs/govcio-vfep-codereviewers @department-of-veterans-affairs/va-api-engineers @department-of-veterans-affairs/backend-review-group
 app/controllers/v1/profile @department-of-veterans-affairs/vfs-authenticated-experience-backend @department-of-veterans-affairs/va-api-engineers @department-of-veterans-affairs/backend-review-group
-app/controllers/v1/supplemental_claims @department-of-veterans-affairs/benefits-decision-reviews-be @department-of-veterans-affairs/backend-review-group
-app/controllers/v1/decision_review_evidences_controller.rb @department-of-veterans-affairs/benefits-decision-reviews-be @department-of-veterans-affairs/backend-review-group
 app/controllers/v1/decision_review_notification_callbacks_controller.rb @department-of-veterans-affairs/benefits-decision-reviews-be @department-of-veterans-affairs/va-api-engineers @department-of-veterans-affairs/backend-review-group
-app/controllers/v1/notice_of_disagreements_controller.rb @department-of-veterans-affairs/benefits-decision-reviews-be @department-of-veterans-affairs/va-api-engineers @department-of-veterans-affairs/backend-review-group
 app/controllers/v1/sessions_controller.rb  @department-of-veterans-affairs/octo-identity
-app/controllers/v1/supplemental_claims_controller.rb @department-of-veterans-affairs/benefits-decision-reviews-be @department-of-veterans-affairs/backend-review-group
-app/controllers/v1/supplemental_claims @department-of-veterans-affairs/benefits-decision-reviews-be @department-of-veterans-affairs/backend-review-group
 app/controllers/v1/post911_gi_bill_statuses_controller.rb @department-of-veterans-affairs/backend-review-group @department-of-veterans-affairs/govcio-vfep-codereviewers
-app/controllers/v2/higher_level_reviews_controller.rb @department-of-veterans-affairs/benefits-decision-reviews-be @department-of-veterans-affairs/backend-review-group
 app/mailers/application_mailer.rb @department-of-veterans-affairs/va-api-engineers @department-of-veterans-affairs/backend-review-group
 app/mailers/ch31_submissions_report_mailer.rb @department-of-veterans-affairs/benefits-non-disability @department-of-veterans-affairs/va-api-engineers @department-of-veterans-affairs/backend-review-group
 app/mailers/create_excel_files_mailer.rb @department-of-veterans-affairs/govcio-vfep-codereviewers @department-of-veterans-affairs/va-api-engineers @department-of-veterans-affairs/backend-review-group
@@ -1183,7 +1175,6 @@ spec/controllers/v0/virtual_agent @department-of-veterans-affairs/vfs-virtual-ag
 spec/controllers/v0/virtual_agent_token_msft_controller_spec.rb @department-of-veterans-affairs/vfs-virtual-agent-chatbot @department-of-veterans-affairs/va-api-engineers @department-of-veterans-affairs/backend-review-group
 spec/controllers/v0/virtual_agent_token_nlu_controller_spec.rb @department-of-veterans-affairs/vfs-virtual-agent-chatbot @department-of-veterans-affairs/va-api-engineers @department-of-veterans-affairs/backend-review-group
 spec/controllers/v0/virtual_agent_claim_letters_controller_spec.rb @department-of-veterans-affairs/vfs-virtual-agent-chatbot @department-of-veterans-affairs/va-api-engineers @department-of-veterans-affairs/backend-review-group
-spec/controllers/v1/decision_review_evidences_controller_spec.rb @department-of-veterans-affairs/benefits-decision-reviews-be @department-of-veterans-affairs/backend-review-group
 spec/controllers/v1/decision_review_notification_callbacks_controller_spec.rb @department-of-veterans-affairs/benefits-decision-reviews-be @department-of-veterans-affairs/va-api-engineers @department-of-veterans-affairs/backend-review-group
 spec/controllers/v1/gids @department-of-veterans-affairs/govcio-vfep-codereviewers @department-of-veterans-affairs/va-api-engineers @department-of-veterans-affairs/backend-review-group
 spec/controllers/v1/post911_gi_bill_statuses_controller_spec.rb @department-of-veterans-affairs/backend-review-group @department-of-veterans-affairs/govcio-vfep-codereviewers
@@ -1803,16 +1794,10 @@ spec/requests/v0/claim_documents_spec.rb @department-of-veterans-affairs/Disabil
 spec/requests/v0/debts_spec.rb @department-of-veterans-affairs/vsa-debt-resolution @department-of-veterans-affairs/backend-review-group
 spec/requests/v0/disability_compensation_form_spec.rb @department-of-veterans-affairs/Disability-Experience @department-of-veterans-affairs/va-api-engineers @department-of-veterans-affairs/backend-review-group
 spec/requests/v0/test_account_user_emails_spec.rb @department-of-veterans-affairs/octo-identity
-spec/requests/v1/higher_level_reviews @department-of-veterans-affairs/benefits-decision-reviews-be @department-of-veterans-affairs/backend-review-group
-spec/requests/v1/notice_of_disagreements @department-of-veterans-affairs/benefits-decision-reviews-be @department-of-veterans-affairs/backend-review-group
-spec/requests/v1/supplemental_claims @department-of-veterans-affairs/benefits-decision-reviews-be @department-of-veterans-affairs/backend-review-group
 spec/requests/v1/apidoc @department-of-veterans-affairs/backend-review-group
-spec/requests/v1/notice_of_disagreements_spec.rb  @department-of-veterans-affairs/backend-review-group @department-of-veterans-affairs/benefits-decision-reviews-be
 spec/requests/v1/post911_gi_bill_status_spec.rb @department-of-veterans-affairs/govcio-vfep-codereviewers @department-of-veterans-affairs/va-api-engineers @department-of-veterans-affairs/backend-review-group
-spec/requests/v1/supplemental_claims_spec.rb  @department-of-veterans-affairs/backend-review-group @department-of-veterans-affairs/benefits-decision-reviews-be
 spec/requests/v1/gi/lcpe/exams_spec.rb @department-of-veterans-affairs/govcio-vfep-codereviewers @department-of-veterans-affairs/va-api-engineers @department-of-veterans-affairs/backend-review-group
 spec/requests/v1/gi/lcpe/lacs_spec.rb @department-of-veterans-affairs/govcio-vfep-codereviewers @department-of-veterans-affairs/va-api-engineers @department-of-veterans-affairs/backend-review-group
-spec/requests/v2/higher_level_reviews_spec.rb @department-of-veterans-affairs/benefits-decision-reviews-be @department-of-veterans-affairs/backend-review-group
 spec/requests/va_profile @department-of-veterans-affairs/vfs-authenticated-experience-backend @department-of-veterans-affairs/va-api-engineers @department-of-veterans-affairs/backend-review-group
 spec/routing/v0/map_services_routing_spec.rb @department-of-veterans-affairs/octo-identity
 spec/rswag_override.rb @department-of-veterans-affairs/va-api-engineers @department-of-veterans-affairs/backend-review-group