Automatic merge from submit-queue
Moving federation-apiserver to use genericapiserver.ServerRunOptions and deleting federation-apiserver options
The remaining params were related to authz and authn and one parameter for WatchCacheSize.
Have moved them to genericapiserver.ServerRunOptions and now federation-apiserver can just use genericapiserver.ServerRunOptions()
cc @jianhuiz @kubernetes/sig-cluster-federation