Convert file not exists to status not found
Convert file not exists to status not found

Fixes message on pull about a statuses not being found.
These statuses can just be ignored since they are no
longer valid and holding the database lock while reading
statuses is not necessary.

Closes #1231

Signed-off-by: Derek McGowan <e1c79a582b6629e6b39e9679f4bb964d25db4aa8@mcgstyle.net>

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