Remove cp: preserving times for '/home/.kube': Read-only file system (#968)
Remove cp: preserving times for '/home/.kube': Read-only file system (#968)

This is caused because cp is using the --archive mode. This did work,
but only becuase we permitted write access in the container previously.
Currently only read access is permitted in the continer.
istio/tools,istio/tools,istio/tools,istio/tools,istio/tools,istio/tools