Remove project billing context from controller spec

spec/controllers/projects/clusters/gcp_controller_spec.rb

@@ -137,13 +137,6 @@ describe Projects::Clusters::GcpController do
           stub_google_api_validate_token
         end
 
-        context 'when google project billing is enabled' do
-          before do
-            redis_double = double.as_null_object
-            allow(Gitlab::Redis::SharedState).to receive(:with).and_yield(redis_double)
-            allow(redis_double).to receive(:get).with(CheckGcpProjectBillingWorker.redis_shared_state_key_for('token')).and_return('true')
-          end
-
         it 'creates a new cluster' do
           expect(ClusterProvisionWorker).to receive(:perform_async)
           expect { go }.to change { Clusters::Cluster.count }
@@ -153,7 +146,6 @@ describe Projects::Clusters::GcpController do
           expect(project.clusters.first).to be_kubernetes
         end
       end
-      end
 
       context 'when access token is expired' do
         before do