oci: Copy-edits for waitContainerStop chControl comment
oci: Copy-edits for waitContainerStop chControl comment

The old "won't never" was a potentially-confusing double negative.
This commit rewords the comment to avoid that issue and also lands
some other minor cleanups.

Signed-off-by: W. Trevor King <f75897670c17327c42ab201733fb8a81ff9f4c34@tremily.us>

jwhonce/ocid,rhatdan/cri-o,nalind/cri-o,jwhonce/ocid,kubernetes-incubator/cri-o,vbatts/cri-o,vbatts/cri-o,kubernetes-incubator/ocid,kubernetes-incubator/cri-o,mikebrow/cri-o,vbatts/cri-o,mikebrow/cri-o,mikebrow/cri-o,nalind/cri-o,kubernetes-incubator/cri-o,nalind/cri-o,rhatdan/cri-o,kubernetes-incubator/ocid,rhatdan/cri-o,mikebrow/cri-o,jwhonce/ocid,vbatts/cri-o,kubernetes-incubator/cri-o,rhatdan/cri-o,kubernetes-incubator/ocid