Revert re-release 0.12.0 of python-openstacksdk

This reverts commit 88def4b2f9.
Post-job failed again, so no tag was pushed.

Change-Id: Id2dfe2fc18e8756149293a7956c0ad21861436ac

deliverables/rocky/python-openstacksdk.yaml

@@ -1,15 +0,0 @@
----
-include-pypi-link: yes
-release-model: cycle-with-intermediary
-release-notes: https://docs.openstack.org/releasenotes/python-openstacksdk/unreleased.html
-launchpad: python-openstacksdk
-team: OpenStackSDK
-type: library
-releases:
-  - projects:
-      - hash: f58af1ba4ee17500104e3d304ec3a3498c179b12
-        repo: openstack/python-openstacksdk
-        tarball-base: openstacksdk
-    version: 0.12.0
-repository-settings:
-  openstack/python-openstacksdk: {}