Delete matterjs-server (ct) after migration to ProxmoxVE (#1895)

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

json/matterjs-server.json

@@ -1,45 +0,0 @@
-{
-    "name": "MatterJS-Server",
-    "slug": "matterjs-server",
-    "categories": [
-        16
-    ],
-    "date_created": "2026-05-20",
-    "type": "ct",
-    "updateable": true,
-    "privileged": false,
-    "has_arm": false,
-    "interface_port": 5580,
-    "documentation": "https://github.com/matter-js/matterjs-server",
-    "website": "https://github.com/matter-js/matterjs-server",
-    "logo": "https://cdn.jsdelivr.net/gh/selfhst/icons@main/webp/matter.webp",
-    "description": "JavaScript-based Matter controller server (successor to Python Matter Server). Provides a WebSocket API compatible with the Home Assistant Matter integration.",
-    "install_methods": [
-        {
-            "type": "default",
-            "script": "ct/matterjs-server.sh",
-            "config_path": null,
-            "resources": {
-                "cpu": 2,
-                "ram": 1024,
-                "hdd": 4,
-                "os": "Debian",
-                "version": "13"
-            }
-        }
-    ],
-    "default_credentials": {
-        "username": null,
-        "password": null
-    },
-    "notes": [
-        {
-            "text": "This is a Beta version. Not yet officially CSA-certified.",
-            "type": "warning"
-        },
-        {
-            "text": "For Matter-over-Thread (Thread Border Router), IPv6 must be enabled in the LXC container.",
-            "type": "info"
-        }
-    ]
-}