Disable configure-cloud-routes and external service/route programming support when using k3s stub cloud controller
Disable configure-cloud-routes and external service/route programming support when using k3s stub cloud controller

Resolves warning 3 from #2471

Signed-off-by: Brad Davidson <04e3c163280925731618fdb25283183c1bfeb145@rancher.com>

rancher/k3s,rancher/k3s