delete useless code
delete useless code

Signed-off-by: ningmingxiao <b53da818e32eb72d4dff89c014ec6840f1a12f05@zte.com.cn>

dmcgowan/containerd,dmcgowan/containerd,thaJeztah/containerd,estesp/containerd,thaJeztah/containerd,containerd/containerd,mikebrow/containerd,estesp/containerd,containerd/containerd,mikebrow/containerd