tests: manually stop the Candlepin container

It seems the "podman_container" module cannot properly stop the running
container when being asked using "recreate=true"; hence, do it manually
before starting the new container.

This also reverts commit 12c1a38, which
is no more needed now.

tests/tasks/setup_candlepin.yml

@@ -32,6 +32,11 @@
         use: "{{ __rhc_is_ostree |
                  ternary('ansible.posix.rhel_rpm_ostree', omit) }}"
 
+    - name: Stop and remove Candlepin container
+      containers.podman.podman_container:
+        name: candlepin
+        state: absent
+
     - name: Start Candlepin container
       containers.podman.podman_container:
         detach: true
@@ -43,7 +48,6 @@
         publish:
           - 8443:8443
           - 8080:8080
-        recreate: true
         rm: true
         state: started