This commit removes .autocopr/podman.spec in favor of
podman.spec.rpkg to account for new recommendations for COPR builds.
The build process now enables debug packages and also uses
`%gobuild` instead of `make` or `go build` to
get the packages as close as possible to Fedora koji builds.
https://lists.fedoraproject.org/archives/list/copr-devel@lists.fedorahosted.org/message/3JORYRKDWFMJSR35Z4LIKDEXH2T5263H/
[NO NEW TESTS NEEDED]
Signed-off-by: Lokesh Mandvekar <lsm5@fedoraproject.org>
