Execute only percona role in upgrade test

tests/archivematica-upgrade/playbook.yml

@@ -17,37 +17,16 @@
 
   roles:
 
-    - role: "artefactual.elasticsearch"
-      become: "yes"
-      tags:
-        - "elasticsearch"
-      when: "archivematica_src_search_enabled|bool"
-
     - role: "artefactual.percona"
       become: "yes"
       tags:
         - "percona"
 
-    - role: "artefactual.nginx"
-      become: "yes"
-      tags:
-        - "nginx"
-
     - role: "artefactual.gearman"
       become: "yes"
       tags:
         - "gearman"
 
-    - role: "artefactual.clamav"
-      become: "yes"
-      tags:
-        - "clamav"
-
-    - role: "artefactual.archivematica-src"
-      become: "yes"
-      tags:
-        - "archivematica-src"
-
   post_tasks:
 
     - name: "change home dir perms (to make transfer source visible)"