message: Hide machine deployments nav
  Machine deployments are out of scope for 4.0.
diff: @@ -18,7 +18,6 @@ import {
  InstallPlanModel,
  MachineConfigModel,
  MachineConfigPoolModel,
  - MachineDeploymentModel,
  MachineModel,
  MachineSetModel,
  PackageManifestModel,
  @@ -394,7 +393,6 @@ export const Navigation = ({ isNavOpen, onNavSelect }) => {
  <NavSection title="Machines" required={[FLAGS.CLUSTER_API, FLAGS.MACHINE_CONFIG, FLAGS.CAN_LIST_MACHINE_CONFIG]}>
  <ResourceNSLink resource={referenceForModel(MachineModel)} name="Machines" />
  <ResourceNSLink resource={referenceForModel(MachineSetModel)} name="Machine Sets" />
  - <ResourceNSLink resource={referenceForModel(MachineDeploymentModel)} name="Machine Deployments" />
  <ResourceClusterLink resource={referenceForModel(MachineConfigModel)} name="Machine Configs" />
  <ResourceClusterLink resource={referenceForModel(MachineConfigPoolModel)} name="Machine Config Pools" />
  </NavSection>
  