Remove groups_with_event_streaming_destinations metric

Changelog: removed
EE: true

ee/config/metrics/counts_28d/20211130091657_groups_with_event_streaming_destinations.yml

@@ -3,7 +3,7 @@ key_path: usage_activity_by_stage_monthly.manage.groups_with_event_streaming_des
 description: "Distinct count of groups with any event streaming destinations"
 product_group: compliance
 value_type: number
-status: broken
+status: removed
 repair_issue_url: https://gitlab.com/gitlab-org/gitlab/-/issues/369871
 milestone: "14.6"
 introduced_by_url: https://gitlab.com/gitlab-org/gitlab/-/issues/344670
@@ -13,3 +13,5 @@ data_category: optional
 instrumentation_class: CountGroupsWithEventStreamingDestinationsMetric
 tiers:
 - ultimate
+milestone_removed: "17.8"
+removed_by_url: https://gitlab.com/gitlab-org/gitlab/-/merge_requests/173590

ee/lib/ee/gitlab/usage_data.rb

@@ -216,8 +216,7 @@ def usage_activity_by_stage_manage(time_period)
             ldap_group_sync_enabled: ldap_config_present_for_any_provider?(:group_base),
             ldap_admin_sync_enabled: ldap_config_present_for_any_provider?(:admin_group),
             group_saml_enabled: omniauth_provider_names.include?('group_saml'),
-            audit_event_destinations: add_metric('CountEventStreamingDestinationsMetric', time_frame: time_frame),
-            groups_with_event_streaming_destinations: add_metric('CountGroupsWithEventStreamingDestinationsMetric', time_frame: time_frame)
+            audit_event_destinations: add_metric('CountEventStreamingDestinationsMetric', time_frame: time_frame)
           })
         end
         # rubocop:enable CodeReuse/ActiveRecord