revert: revert redis backports, this was clearly not the issue

peertube.yml

@@ -8,8 +8,6 @@
     - nodejs
     - yarn
     - backports
-    - name: redis
-      vars:
-        redis_backports: true
+    - redis
     - postgres
     - peertube

roles/backports/tasks/main.yml

@@ -1,6 +0,0 @@
----
-
-- name: Add backports source list
-  ansible.builtin.copy:
-    content: "deb http://deb.debian.org/debian {{ ansible_distribution_release}}-backports main"
-    dest: "/etc/apt/sources.list.d/backports.list"

roles/redis/tasks/main.yml

@@ -5,7 +5,6 @@
     name: redis
     state: present
     update_cache: true
-    default_release: "{{ omit if redis_backports is undefined }}"
 
 - name: Start redis service
   ansible.builtin.service: