Remove `vue_2fa_recovery_codes` feature flag

Remove `vue_2fa_recovery_codes` feature flag from codebase

app/views/profiles/two_factor_auths/_codes.html.haml

 - show_success_alert = local_assigns.fetch(:show_success_alert, nil)
 
-- if Feature.enabled?(:vue_2fa_recovery_codes, current_user, default_enabled: true)
-  .js-2fa-recovery-codes{ data: { codes: @codes.to_json, profile_account_path: profile_account_path(two_factor_auth_enabled_successfully: show_success_alert) } }
-- else
-  %p.slead
-    - lose_2fa_message =  _('Should you ever lose your phone or access to your one time password secret, each of these recovery codes can be used one time each to regain access to your account. Please save them in a safe place, or you %{b_start}will%{b_end} lose access to your account.') % { b_start:'<b>', b_end:'</b>' }
-    = lose_2fa_message.html_safe
-
-  .codes.card{ data: { qa_selector: 'codes_content' } }
-    %ul
-      - @codes.each do |code|
-        %li
-          %span.monospace{ data: { qa_selector: 'code_content' } }= code
-
-  .d-flex
-    = link_to _('Proceed'), profile_account_path, class: 'gl-button btn btn-success gl-mr-3', data: { qa_selector: 'proceed_button' }
-    = link_to _('Download codes'), "data:text/plain;charset=utf-8,#{CGI.escape(@codes.join("\n"))}", download: "gitlab-recovery-codes.txt", class: 'gl-button btn btn-default'
+.js-2fa-recovery-codes{ data: { codes: @codes.to_json, profile_account_path: profile_account_path(two_factor_auth_enabled_successfully: show_success_alert) } }

app/views/profiles/two_factor_auths/create.html.haml

 - page_title _('Two-factor Authentication'), _('Account')
 - add_page_specific_style 'page_bundles/profile_two_factor_auth'
 
-- unless Feature.enabled?(:vue_2fa_recovery_codes, current_user, default_enabled: true)
-  .gl-alert.gl-alert-success.gl-mb-5
-    = _('Congratulations! You have enabled Two-factor Authentication!')
-
 = render 'codes', show_success_alert: true

config/feature_flags/development/vue_2fa_recovery_codes.yml

----
-name: vue_2fa_recovery_codes
-introduced_by_url: https://gitlab.com/gitlab-org/gitlab/-/merge_requests/49078
-rollout_issue_url: https://gitlab.com/gitlab-org/gitlab/-/issues/290113
-milestone: '13.7'
-type: development
-group: group::access
-default_enabled: true

locale/gitlab.pot

@@ -25782,9 +25782,6 @@ msgstr ""
 msgid "Sherlock Transactions"
 msgstr ""
 
-msgid "Should you ever lose your phone or access to your one time password secret, each of these recovery codes can be used one time each to regain access to your account. Please save them in a safe place, or you %{b_start}will%{b_end} lose access to your account."
-msgstr ""
-
 msgid "Should you ever lose your phone or access to your one time password secret, each of these recovery codes can be used one time each to regain access to your account. Please save them in a safe place, or you %{boldStart}will%{boldEnd} lose access to your account."
 msgstr ""
 

spec/features/users/login_spec.rb

@@ -742,65 +742,30 @@ RSpec.describe 'Login' do
       end
 
       context 'when the user did not enable 2FA' do
-        context 'when `vue_2fa_recovery_codes` feature flag is disabled' do
-          before do
-            stub_feature_flags(vue_2fa_recovery_codes: false)
-          end
-
-          it 'asks to set 2FA before asking to accept the terms' do
-            expect(authentication_metrics)
-              .to increment(:user_authenticated_counter)
-
-            visit new_user_session_path
-
-            fill_in 'user_login', with: user.email
-            fill_in 'user_password', with: '12345678'
-
-            click_button 'Sign in'
-
-            expect_to_be_on_terms_page
-            click_button 'Accept terms'
-
-            expect(current_path).to eq(profile_two_factor_auth_path)
-
-            fill_in 'pin_code', with: user.reload.current_otp
-
-            click_button 'Register with two-factor app'
-
-            expect(page).to have_content('Congratulations! You have enabled Two-factor Authentication!')
-
-            click_link 'Proceed'
-
-            expect(current_path).to eq(profile_account_path)
-          end
-        end
-
-        context 'when `vue_2fa_recovery_codes` feature flag is enabled' do
-          it 'asks to set 2FA before asking to accept the terms', :js do
-            expect(authentication_metrics)
-              .to increment(:user_authenticated_counter)
+        it 'asks to set 2FA before asking to accept the terms', :js do
+          expect(authentication_metrics)
+            .to increment(:user_authenticated_counter)
 
-            visit new_user_session_path
+          visit new_user_session_path
 
-            fill_in 'user_login', with: user.email
-            fill_in 'user_password', with: '12345678'
+          fill_in 'user_login', with: user.email
+          fill_in 'user_password', with: '12345678'
 
-            click_button 'Sign in'
+          click_button 'Sign in'
 
-            expect_to_be_on_terms_page
-            click_button 'Accept terms'
+          expect_to_be_on_terms_page
+          click_button 'Accept terms'
 
-            expect(current_path).to eq(profile_two_factor_auth_path)
+          expect(current_path).to eq(profile_two_factor_auth_path)
 
-            fill_in 'pin_code', with: user.reload.current_otp
+          fill_in 'pin_code', with: user.reload.current_otp
 
-            click_button 'Register with two-factor app'
-            click_button 'Copy codes'
-            click_link 'Proceed'
+          click_button 'Register with two-factor app'
+          click_button 'Copy codes'
+          click_link 'Proceed'
 
-            expect(current_path).to eq(profile_account_path)
-            expect(page).to have_content('Congratulations! You have enabled Two-factor Authentication!')
-          end
+          expect(current_path).to eq(profile_account_path)
+          expect(page).to have_content('Congratulations! You have enabled Two-factor Authentication!')
         end
       end