Delete romm (ct) after migration to ProxmoxVE (#1465)

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

frontend/public/json/romm.json

@@ -1,35 +0,0 @@
-{
-    "name": "RomM",
-    "slug": "romm",
-    "categories": [
-        24
-    ],
-    "date_created": "2025-03-10",
-    "type": "ct",
-    "updateable": true,
-    "privileged": false,
-    "interface_port": 80,
-    "documentation": "https://docs.romm.app/latest/",
-    "website": "https://romm.app/",
-    "config_path": "/opt/romm/.env",
-    "logo": "https://cdn.jsdelivr.net/gh/selfhst/icons@main/webp/romm.webp",
-    "description": "RomM (ROM Manager) allows you to scan, enrich, browse and play your game collection with a clean and responsive interface. Support for multiple platforms, various naming schemes, and custom tags.",
-    "install_methods": [
-        {
-            "type": "default",
-            "script": "ct/romm.sh",
-            "resources": {
-                "cpu": 2,
-                "ram": 4096,
-                "hdd": 20,
-                "os": "debian",
-                "version": "13"
-            }
-        }
-    ],
-    "default_credentials": {
-        "username": null,
-        "password": null
-    },
-    "notes": []
-}