rpmautospec doesn't like the merge: "unresolvable merge".
To avoid the issue, re-add the changelog file. Also, let's drop the
stuff that is only specific to EPEL, since this branch is primarily
for rawhide.
https://pagure.io/releng/issue/10952: rpmdev-bumpspec apparently does
not like the way the Release field was conditionalized.
But since the switch to rpmautospec this isn't important, since the
v-r string will be generated by rpmautospec. I went over the changelog
and manually inserted tags for the old builds.
Unfortunately there's another issue, rpmautospec cannot deal with
%include: https://pagure.io/fedora-infra/rpmautospec/pull-request/267
Numbers for the latest builds are adjusted to match what koji lists.