packit: final touches

- drop the echo of the tarball name, it is not actually used
- switch back to prod instance, as it should work fine now

packit.yaml

@@ -5,7 +5,6 @@ srpm_build_deps:
 actions:
   pre-sync:
     - tito build -o . --tgz
-    - bash -c "ls -1 ./subscription-manager-*.tar.gz"
 specfile_path: subscription-manager.spec
 files_to_sync:
   - src:
@@ -16,7 +15,6 @@ upstream_tag_template: "subscription-manager-{version}-1"
 jobs:
   - job: pull_from_upstream
     trigger: release
-    packit_instances: ["stg"]
     dist_git_branches:
       - fedora-all
   - job: koji_build