Revert ".obs/workflows.yml: separate project builds with what looks like RC tags to use a separate OBS template (tweaked to change the dash into tilde for packaging versions) [networkupstools#1209]"

This reverts commit cced83a:
the currently deployed OBS service does not filter by "tags"... sadly.

Signed-off-by: Jim Klimov <jimklimov+nut@gmail.com>

Author: jimklimov

.obs/workflows.yml

@@ -28,22 +28,3 @@ release_tag:
         target_project: home:networkupstools:nut-releases
   filters:
     event: tag_push
-    tags:
-      only:
-        - "v[0-9]+.[0-9]+.[0-9]+"
-      ignore:
-        # v1.2.3-rc1, these need a different regex in _service of template project
-        - "*-*"
-
-release_candidate_tag:
-  steps:
-    - branch_package:
-        source_project: home:networkupstools:nut-stable-rc
-        source_package: "%{SCM_REPOSITORY_NAME}"
-        target_project: home:networkupstools:nut-releases
-  filters:
-    event: tag_push
-    tags:
-      only:
-        # v1.2.3-rc1, these need a different regex in _service of template project
-        - "v[0-9]+.[0-9]+.[0-9]+-.*"