OWNERS: remove Aleksa Sarai
OWNERS: remove Aleksa Sarai

I haven't contributed to this project in quite a while, and so I think
it's no longer correct to catagorise me as a maintainer of the project.
So long and thanks for all the fish.

Signed-off-by: Aleksa Sarai <b305c9b0212d6145eea67bbffd24e29cb79c759c@cyphar.com>

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