Cleanup stop handler and barbican_apache_* variables

Since handler was added for upgrade purposes, we can drop it now.
We also remove not used barbican_apache_* variables since we've migrated
to the uwsgi usage several releases ago.

Change-Id: Ib19834a1ae4751f7439afaabb532220f873e4b8f

defaults/main.yml

@@ -169,13 +169,10 @@ barbican_service_project_domain_id: default
 barbican_service_user_domain_id: default
 barbican_service_project_name: service
 
-# Apache configuration vars
+# uwsgi configuration vars
 barbican_wsgi_processes_max: 16
 barbican_wsgi_processes: "{{ [[ansible_processor_vcpus|default(2) // 2, 1] | max, barbican_wsgi_processes_max] | min }}"
 barbican_wsgi_threads: 1
-barbican_apache_log_level: info
-barbican_apache_servertokens: "Prod"
-barbican_apache_serversignature: "Off"
 
 barbican_ssl: false
 barbican_ssl_cert: /etc/ssl/certs/barbican.pem

handlers/main.yml

@@ -13,19 +13,6 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-# NOTE (noonedeadpunk): this handler is added to stop old barbican service
-# which was renamed to barbican-api, so that it don't interfer during upgrade.
-# Should be removed after Ussuri release
-- name: Stop obsoleted barbican service
-  systemd:
-    name: barbican
-    state: "stopped"
-    enabled: no
-  failed_when: false
-  listen:
-    - "Restart barbican services"
-    - "venv changed"
-
 - name: Restart barbican services
   systemd:
     name: "{{ item.service_name }}"