openqa/worker: don't explicitly pull in ffmpeg-free on aarch64

We don't want it there - see earlier commits - but I didn't
notice it's actually explicitly listed here for all arches,
which breaks stuff on aarch64 now we told dnf to exclude it.

Signed-off-by: Adam Williamson <awilliam@redhat.com>

roles/openqa/worker/tasks/main.yml

@@ -69,7 +69,7 @@
 
 - name: Install required packages
   package:
-    name: ['openqa-worker', 'os-autoinst', 'ffmpeg-free']
+    name: ['openqa-worker', 'os-autoinst']
     state: latest
     enablerepo: "{{ openqa_repo }}"
   notify:
@@ -99,6 +99,13 @@
   user: name=_openqa-worker groups=geekotest append=yes
   when: "openqa_static_uid is defined"
 
+- name: Install ffmpeg-free (not on aarch64)
+  package: name=ffmpeg-free state=present
+  tags:
+  - packages
+  when: "ansible_architecture is defined and ansible_architecture != 'aarch64'"
+
+
 - name: Install UEFI firmware package (x86_64 only)
   package: name=edk2-ovmf state=present
   tags: