Remove unused body param

app/routers/nodes.py

@@ -234,17 +234,10 @@ async def op25_start(client_id):
     """
     Send an OP25 start command to the specific node
     """
-    data = await request.get_json()
-
-    system_id = data.get("system_id")
-
     # Check to make sure the client is online
     if client_id not in current_app.active_clients:
         return jsonify({"error": f"Client {client_id} not found, it might be offline"}), 404
 
-    if not system_id:
-        return jsonify({"error":"No System ID supplied"}), 400
-
     try:
         # Send the command asynchronously
         await send_command_to_client(client_id, NodeCommands.OP25_START)