chore(server): 'purge_networks' option for 'docker_container' module is removed

roles/server/defaults/main.yml

@@ -52,7 +52,6 @@ nextcloud_container_extra_labels: {}
 nextcloud_container_extra_environment: {}
 
 nextcloud_container_networks: ~
-nextcloud_container_purge_other_networks: true
 
 nextcloud_paths:
   - path: "{{ nextcloud_config_path }}"

roles/server/tasks/main.yml

@@ -120,7 +120,6 @@
     env: "{{ nextcloud_container_env }}"
     etc_hosts: "{{ nextcloud_container_etc_hosts | default(omit, true) }}"
     networks: "{{ nextcloud_container_networks | default(omit, true) }}"
-    purge_networks: "{{ nextcloud_container_purge_other_networks }}"
     restart_policy: "{{ nextcloud_container_restart_policy }}"
     state: started