Remove admin_application_settings_service_usage_data_center feature flag

Changelog: other

app/views/layouts/nav/sidebar/_admin.html.haml

@@ -269,11 +269,10 @@
               = link_to metrics_and_profiling_admin_application_settings_path, title: _('Metrics and profiling'), class: 'qa-admin-settings-metrics-and-profiling-item' do
                 %span
                   = _('Metrics and profiling')
-            - if Feature.enabled?(:admin_application_settings_service_usage_data_center, default_enabled: :yaml)
-              = nav_link(path: ['application_settings#service_usage_data']) do
-                = link_to service_usage_data_admin_application_settings_path, title: _('Service usage data') do
-                  %span
-                    = _('Service usage data')
+            = nav_link(path: ['application_settings#service_usage_data']) do
+              = link_to service_usage_data_admin_application_settings_path, title: _('Service usage data') do
+                %span
+                  = _('Service usage data')
             = nav_link(path: 'application_settings#network') do
               = link_to network_admin_application_settings_path, title: _('Network'), data: { qa_selector: 'admin_settings_network_item' } do
                 %span

config/feature_flags/development/admin_application_settings_service_usage_data_center.yml

----
-name: admin_application_settings_service_usage_data_center
-introduced_by_url: https://gitlab.com/gitlab-org/gitlab/-/merge_requests/78747
-rollout_issue_url: https://gitlab.com/gitlab-org/gitlab/-/issues/351268
-milestone: '14.8'
-type: development
-group: group::product intelligence
-default_enabled: true

doc/development/service_ping/index.md

@@ -582,7 +582,8 @@ ServicePing::SubmitService.new(skip_db_write: true).execute
 
 ## Manually upload Service Ping payload
 
-> [Introduced](https://gitlab.com/groups/gitlab-org/-/epics/7388) in GitLab 14.8 with a flag named `admin_application_settings_service_usage_data_center`. Disabled by default.
+> - [Introduced](https://gitlab.com/groups/gitlab-org/-/epics/7388) in GitLab 14.8 with a flag named `admin_application_settings_service_usage_data_center`. Disabled by default.
+> - [Feature flag removed](https://gitlab.com/gitlab-org/gitlab/-/merge_requests/83265) in GitLab 14.10.
 
 Service Ping payload can be uploaded to GitLab even if your application instance doesn't have access to the internet,
 or you don't have Service Ping [cron job](#how-service-ping-works) enabled.