
Addresses #15968 This patch removes KUBE_ENABLE_EXPERIMENTAL_API and similar calls in favor of specifying desired features in KUBE_RUNTIME_CONFIG. Changes have also been made to e2e scripts to re-enable using KUBE_RUNTIME_CONFIG rather than EXPERIMENTAL_API env vars. This also introduces KUBE_ENABLE_DAEMONSETS and KUBE_ENABLE_DEPLOYMENTS. Signed-off-by: Christian Stewart <christian@paral.in>