[containerd] avoid cleanup of /usr/bin on ostree distributions (#8624)

roles/container-engine/containerd/tasks/main.yml

@@ -45,7 +45,9 @@
   file:
     path: "/usr/bin/{{ item }}"
     state: absent
-  when: containerd_bin_dir != "/usr/bin"
+  when:
+    - containerd_bin_dir != "/usr/bin"
+    - not (is_ostree or (ansible_distribution == "Flatcar Container Linux by Kinvolk") or (ansible_distribution == "Flatcar"))
   ignore_errors: true  # noqa ignore-errors
   with_items:
     - containerd