title: could not delete PVC in kubernetes foregroundDeletion
body: <p>I am trying to delete PVC in kubernetes dashboard,I already delete all ElasticSearch service &amp; pods in Kubernetes cluster,the PVC is not protected,this is my pod status:</p>
  
  <pre><code>~/Library/Mobile Documents/com~apple~CloudDocs/Document/k8s/work/elasticsearch ⌚ 11:25:38
  $ kubectl describe pvc elasticsearch-data-quickstart-es-default-0
  Name:          elasticsearch-data-quickstart-es-default-0
  Namespace:     dabai-fat
  StorageClass:
  Status:        Terminating (lasts 18m)
  Volume:        pv001
  Labels:        common.k8s.elastic.co/type=elasticsearch
                 elasticsearch.k8s.elastic.co/cluster-name=quickstart
                 elasticsearch.k8s.elastic.co/statefulset-name=quickstart-es-default
  Annotations:   pv.kubernetes.io/bind-completed: yes
                 pv.kubernetes.io/bound-by-controller: yes
  Finalizers:    [foregroundDeletion]
  Capacity:      2Gi
  Access Modes:  RWO,ROX,RWX
  VolumeMode:    Filesystem
  Mounted By:    &lt;none&gt;
  Events:
    Type    Reason         Age                 From                         Message
    ----    ------         ----                ----                         -------
    Normal  FailedBinding  50m (x42 over 60m)  persistentvolume-controller  no persistent volumes available for this claim and no storage class is set
  </code></pre>
  
  <p>how to delete this PVC?</p>