refactor(backup): remove incomplete backup feature

README.md

@@ -35,7 +35,6 @@ The following sections are devided into:
 
 | Name           | Default Value | Description                        |
 | -------------- | ------------- | -----------------------------------|
-| `paperless_ngx_backup_on_upgrade` | true | Whether to backup old installation files before upgrade. |
 | `paperless_ngx_db_type` | sqlite | Available db types are sqlite and postgresql. If postrgresql is chosen then the other db_ vars must be configured too. |
 | `paperless_ngx_dir_force_permission_exclude` | [] | Which directories should be skipped from permission check/setting. See [docs](docs/DIRECTORY_PERMISSION_CHECK.md). |
 | `paperless_ngx_dir_installation` | /opt/paperless-ngx | The directory where paperless-ngx static installation files are written to. |

defaults/main.yml

@@ -1,6 +1,5 @@
 ---
 # Role specific variables
-paperless_ngx_backup_on_upgrade: true
 ## Data db
 paperless_ngx_db_type: sqlite  # or postgresql
 ## Directories

tasks/paperless_ngx/main.yml

@@ -6,14 +6,6 @@
       tags: system_user
   tags: system_user
 
-- name: Backup existing installation
-  ansible.builtin.include_tasks:
-    file: backup.yml
-    apply:
-      tags: backup
-  tags: backup
-  when: _paperless_ngx_installation_strategy_upgrade
-
 - name: Pre configuration
   when: >-
     _paperless_ngx_installation_strategy_upgrade