cmd/dist: don't display undeleted images
cmd/dist: don't display undeleted images

Signed-off-by: Stephen J Day <63efd86fa22882ae89b6027b22a36e4db1f4214d@docker.com>

mikebrow/containerd,AkihiroSuda/containerd,estesp/containerd,mikebrow/containerd,kunalkushwaha/containerd,miaoyq/containerd,kunalkushwaha/containerd,xiekeyang/containerd,miaoyq/containerd,thaJeztah/containerd,dmcgowan/containerd,containerd/containerd,estesp/containerd,chanezon/containerd,thaJeztah/containerd,dmcgowan/containerd,vdemeester/containerd,hqhq/containerd,rajasec/containerd,containerd/containerd,crosbymichael/containerd,crosbymichael/containerd,vdemeester/containerd