*: remove deprecated backup (#2129)

* *: remove backup

Signed-off-by: Jens Langhammer <jens.langhammer@beryju.org>

* fix lint

Signed-off-by: Jens Langhammer <jens.langhammer@beryju.org>

* website/docs: add docs

Signed-off-by: Jens Langhammer <jens.langhammer@beryju.org>

* *: final cleanup

Signed-off-by: Jens Langhammer <jens.langhammer@beryju.org>

* ci: use correct pyproject when migrating from stable

Signed-off-by: Jens Langhammer <jens.langhammer@beryju.org>

* website/docs: fix broken docs

Signed-off-by: Jens Langhammer <jens.langhammer@beryju.org>

website/sidebars.js

@@ -124,11 +124,6 @@ module.exports = {
             label: "Users & Groups",
             items: ["user-group/user", "user-group/group"],
         },
-        {
-            type: "category",
-            label: "Maintenance",
-            items: ["maintenance/backups/index"],
-        },
         {
             type: "category",
             label: "Release Notes",
@@ -166,7 +161,7 @@ module.exports = {
                 "troubleshooting/access",
                 "troubleshooting/emails",
                 "troubleshooting/login",
-                "troubleshooting/image_upload_backup",
+                "troubleshooting/image_upload",
                 "troubleshooting/missing_permission",
                 "troubleshooting/missing_admin_group",
             ],