Added command for removing the taint

Author: imdmahajankanika

modules/persistent-storage-csi-vol-detach-non-graceful-shutdown-procedure.adoc

@@ -55,4 +55,9 @@ spec:
 
 . Restart the node.
 
-. Remove the taint.
+. Remove the taint from the corresponding node object by running the following command:
++
+[source, terminal]
+----
+oc adm taint node <node name> node.kubernetes.io/out-of-service=nodeshutdown:NoExecute- <1>
+----