Remove duped tests

Likely caused by EE conflicts resolution

spec/models/project_services/kubernetes_service_spec.rb

@@ -124,34 +124,6 @@ describe KubernetesService, :use_clean_rails_memory_store_caching do
     end
   end
 
-  describe '#actual_namespace' do
-    subject { service.actual_namespace }
-
-    it "returns the default namespace" do
-      is_expected.to eq(service.send(:default_namespace))
-    end
-
-    context 'when namespace is specified' do
-      before do
-        service.namespace = 'my-namespace'
-      end
-
-      it "returns the user-namespace" do
-        is_expected.to eq('my-namespace')
-      end
-    end
-
-    context 'when service is not assigned to project' do
-      before do
-        service.project = nil
-      end
-
-      it "does not return namespace" do
-        is_expected.to be_nil
-      end
-    end
-  end
-
   describe '#test' do
     let(:discovery_url) { 'https://kubernetes.example.com/api/v1' }