Delete birdnet (ct) after migration to ProxmoxVE (#1629)

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

json/birdnet.json

@@ -1,48 +0,0 @@
-{
-    "name": "BirdNET",
-    "slug": "birdnet",
-    "categories": [
-        9
-    ],
-    "date_created": "2026-03-25",
-    "type": "ct",
-    "updateable": true,
-    "privileged": false,
-    "interface_port": 8080,
-    "documentation": "https://github.com/tphakala/birdnet-go/wiki",
-    "website": "https://github.com/tphakala/birdnet-go",
-    "logo": "https://cdn.jsdelivr.net/gh/selfhst/icons@main/webp/birdnet-go.webp",
-    "config_path": "/opt/birdnet/data",
-    "description": "BirdNET-Go is an AI-powered solution for continuous avian monitoring and identification, providing 24/7 realtime bird song analysis.",
-    "install_methods": [
-        {
-            "type": "default",
-            "script": "ct/birdnet.sh",
-            "resources": {
-                "cpu": 4,
-                "ram": 2048,
-                "hdd": 12,
-                "os": "Debian",
-                "version": "13"
-            }
-        }
-    ],
-    "default_credentials": {
-        "username": null,
-        "password": null
-    },
-    "notes": [
-        {
-            "text": "Audio device passthrough is required for realtime monitoring. Add the audio device to the LXC configuration.",
-            "type": "warning"
-        },
-        {
-            "text": "For GPU acceleration, set `var_gpu=yes` before running the script.",
-            "type": "info"
-        },
-        {
-            "text": "Data and recordings are stored in `/opt/birdnet/data`.",
-            "type": "info"
-        }
-    ]
-}