Make ds pods eviction best effort when draining empty nodes(nodes wit…

…hout user pods). Now autoscaler will not wait for ds pods to get fully evicted in empty nodes

cluster-autoscaler/core/scaledown/actuation/drain.go

@@ -27,7 +27,6 @@ import (
 	kube_errors "k8s.io/apimachinery/pkg/api/errors"
 	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
 	"k8s.io/autoscaler/cluster-autoscaler/metrics"
-	"k8s.io/klog/v2"
 	kubelet_config "k8s.io/kubernetes/pkg/kubelet/apis/config"
 
 	acontext "k8s.io/autoscaler/cluster-autoscaler/context"
@@ -85,14 +84,11 @@ func (e Evictor) DrainNode(ctx *acontext.AutoscalingContext, nodeInfo *framework
 	return e.drainNodeWithPodsBasedOnPodPriority(ctx, node, pods, dsPods)
 }
 
-// EvictDaemonSetPods groups  daemonSet pods in the node in to priority groups and, evicts daemonSet pods in the ascending order of priorities.
-// If priority evictor is not enable, eviction of daemonSet pods is the best effort.
+// EvictDaemonSetPods creates eviction objects for all DaemonSet pods on the node.
+// Eviction of DaemonSet pods are best effort. Does not wait for evictions to finish.
 func (e Evictor) EvictDaemonSetPods(ctx *acontext.AutoscalingContext, nodeInfo *framework.NodeInfo) (map[string]status.PodEvictionResult, error) {
 	node := nodeInfo.Node()
 	dsPods, _ := podsToEvict(nodeInfo, ctx.DaemonSetEvictionForEmptyNodes)
-	if e.fullDsEviction {
-		return e.drainNodeWithPodsBasedOnPodPriority(ctx, node, dsPods, nil)
-	}
 	return e.drainNodeWithPodsBasedOnPodPriority(ctx, node, nil, dsPods)
 }