Use more modern Feature.enabled? for lookup

ee/lib/gitlab/geo.rb

@@ -123,14 +123,7 @@ module Gitlab
     end
 
     def self.repository_verification_enabled?
-      feature = ::Feature.get('geo_repository_verification')
-
-      # If the feature has been set, always evaluate
-      if ::Feature.persisted?(feature)
-        return feature.enabled?
-      else
-        true
-      end
+      Feature.enabled?('geo_repository_verification', default_enabled: true)
     end
 
     def self.allowed_ip?(ip)

ee/spec/lib/gitlab/geo_spec.rb

@@ -234,7 +234,7 @@ describe Gitlab::Geo, :geo, :request_store do
     context 'when the feature flag has been set' do
       context 'when the feature flag is set to enabled' do
         it 'returns true' do
-          Feature.enable('geo_repository_verification')
+          stub_feature_flags(geo_repository_verification: true)
 
           expect(described_class.repository_verification_enabled?).to eq true
         end
@@ -242,7 +242,7 @@ describe Gitlab::Geo, :geo, :request_store do
 
       context 'when the feature flag is set to disabled' do
         it 'returns false' do
-          Feature.disable('geo_repository_verification')
+          stub_feature_flags(geo_repository_verification: false)
 
           expect(described_class.repository_verification_enabled?).to eq false
         end