Delete wallabag (ct) after migration to ProxmoxVE (#1208)

Co-authored-by: github-actions[bot] <github-actions[bot]@users.noreply.github.com>

frontend/public/json/wallabag.json

@@ -1,40 +0,0 @@
-{
-    "name": "Wallabag",
-    "slug": "wallabag",
-    "categories": [
-        12
-    ],
-    "date_created": "2025-12-09",
-    "type": "ct",
-    "updateable": true,
-    "privileged": false,
-    "config_path": "/opt/wallabag/app/config/parameters.yml",
-    "interface_port": 8000,
-    "documentation": "https://doc.wallabag.org/",
-    "website": "https://wallabag.org/",
-    "logo": "https://cdn.jsdelivr.net/gh/selfhst/icons@main/webp/wallabag.webp",
-    "description": "Wallabag is a self-hosted read-it-later application. Save web articles to read them later, offline, in a clean and distraction-free interface. Features tagging, full-text search, and browser/mobile app integrations.",
-    "install_methods": [
-        {
-            "type": "default",
-            "script": "ct/wallabag.sh",
-            "resources": {
-                "cpu": 2,
-                "ram": 2048,
-                "hdd": 6,
-                "os": "Debian",
-                "version": "13"
-            }
-        }
-    ],
-    "default_credentials": {
-        "username": null,
-        "password": null
-    },
-    "notes": [
-        {
-            "text": "Database credentials are stored in ~/wallabag.creds",
-            "type": "info"
-        }
-    ]
-}