branding: Small refactoring

branding/tasks/main.yml

@@ -49,6 +49,7 @@
     group: staff
     mode: '02775'
     recurse: true
+  when: branding_cacerts is defined
   tags:
     - branding
     - tls
@@ -60,7 +61,7 @@
     owner: root
     group: root
     mode: '0644'
-  with_items: "{{ branding_cacerts }}"
+  loop: "{{ branding_cacerts }}"
   when: branding_cacerts is defined
   notify: update CA certificates
   tags:
@@ -72,7 +73,7 @@
     path: "/etc/ssl/certs/{{ item }}"
     state: absent
   notify: update CA certificates
-  with_items:
+  loop:
     - rwth_chain.pem
     - rwth_chain_g2.pem
     - asta_ca.pem