Remove extra feature flag check

  - From lib/gitlab/utils/usage_data.rb
  - Check is done in Gitlab::UsageDataCounters::HLLRedisCounter
  - Add related feature flag to i_source_code_code_intelligence
  this was missing from the event definition

lib/gitlab/usage_data_counters/known_events/common.yml

@@ -165,6 +165,7 @@
   redis_slot: source_code
   category: source_code
   aggregation: daily
+  feature_flag: usage_data_i_source_code_code_intelligence
 # Incident management
 - name: incident_management_alert_status_changed
   redis_slot: incident_management

lib/gitlab/utils/usage_data.rb

@@ -127,8 +127,6 @@ module Gitlab
       # @param event_name [String] the event name
       # @param values [Array|String] the values counted
       def track_usage_event(event_name, values)
-        return unless Feature.enabled?(:"usage_data_#{event_name}", default_enabled: true)
-
         Gitlab::UsageDataCounters::HLLRedisCounter.track_event(event_name.to_s, values: values)
       end
 

spec/lib/gitlab/utils/usage_data_spec.rb

@@ -344,38 +344,15 @@ RSpec.describe Gitlab::Utils::UsageData do
     let(:value) { '9f302fea-f828-4ca9-aef4-e10bd723c0b3' }
     let(:event_name) { 'incident_management_alert_status_changed' }
     let(:unknown_event) { 'unknown' }
-    let(:feature) { "usage_data_#{event_name}" }
 
-    before do
-      skip_feature_flags_yaml_validation
-    end
-
-    context 'with feature enabled' do
-      before do
-        stub_feature_flags(feature => true)
-      end
-
-      it 'tracks redis hll event' do
-        expect(Gitlab::UsageDataCounters::HLLRedisCounter).to receive(:track_event).with(event_name, values: value)
-
-        described_class.track_usage_event(event_name, value)
-      end
+    it 'tracks redis hll event' do
+      expect(Gitlab::UsageDataCounters::HLLRedisCounter).to receive(:track_event).with(event_name, values: value)
 
-      it 'raise an error for unknown event' do
-        expect { described_class.track_usage_event(unknown_event, value) }.to raise_error(Gitlab::UsageDataCounters::HLLRedisCounter::UnknownEvent)
-      end
+      described_class.track_usage_event(event_name, value)
     end
 
-    context 'with feature disabled' do
-      before do
-        stub_feature_flags(feature => false)
-      end
-
-      it 'does not track event' do
-        expect(Gitlab::UsageDataCounters::HLLRedisCounter).not_to receive(:track_event)
-
-        described_class.track_usage_event(event_name, value)
-      end
+    it 'raise an error for unknown event' do
+      expect { described_class.track_usage_event(unknown_event, value) }.to raise_error(Gitlab::UsageDataCounters::HLLRedisCounter::UnknownEvent)
     end
   end
 end