Prevent encrypted fields from being serialized by default

Changelog: changed

app/models/concerns/sensitive_serializable_hash.rb

@@ -19,7 +19,6 @@ module SensitiveSerializableHash
   # In general, prefer NOT to use serializable_hash / to_json / as_json in favor
   # of serializers / entities instead which has an allowlist of attributes
   def serializable_hash(options = nil)
-    return super unless prevent_sensitive_fields_from_serializable_hash?
     return super if options && options[:unsafe_serialization_hash]
 
     options = options.try(:dup) || {}
@@ -37,10 +36,4 @@ module SensitiveSerializableHash
 
     super(options)
   end
-
-  private
-
-  def prevent_sensitive_fields_from_serializable_hash?
-    Feature.enabled?(:prevent_sensitive_fields_from_serializable_hash, default_enabled: :yaml)
-  end
 end

config/feature_flags/development/prevent_sensitive_fields_from_serializable_hash.yml

----
-name: prevent_sensitive_fields_from_serializable_hash
-introduced_by_url: https://gitlab.com/gitlab-org/gitlab/-/merge_requests/81773
-rollout_issue_url: https://gitlab.com/gitlab-org/gitlab/-/issues/353878
-milestone: '14.9'
-type: development
-group: group::sharding
-default_enabled: false

spec/models/concerns/sensitive_serializable_hash_spec.rb

@@ -30,16 +30,6 @@ RSpec.describe SensitiveSerializableHash do
         expect(model.serializable_hash(unsafe_serialization_hash: true)).to include('super_secret')
       end
     end
-
-    context 'when prevent_sensitive_fields_from_serializable_hash feature flag is disabled' do
-      before do
-        stub_feature_flags(prevent_sensitive_fields_from_serializable_hash: false)
-      end
-
-      it 'includes the field in serializable_hash' do
-        expect(model.serializable_hash).to include('super_secret')
-      end
-    end
   end
 
   describe '#serializable_hash' do