Eliminate "node_id" API - as it only makes sense for the ModBus demonstration - and not even there much.

Author: aentinger

examples/opcua_server/opcua_server.ino

@@ -397,7 +397,7 @@ void setup()
         UA_NodeId modbus_md02_node_id;
         rc = UA_Server_addObjectNode(opc_ua_server,
                                      UA_NODEID_NULL,
-                                     opta_opcua->node_id(),
+                                     UA_NODEID_NUMERIC(0, UA_NS0ID_OBJECTSFOLDER),
                                      UA_NODEID_NUMERIC(0, UA_NS0ID_ORGANIZES),
                                      UA_QUALIFIEDNAME(1, "ModbusRs485Md02"),
                                      UA_NODEID_NUMERIC(0, UA_NS0ID_BASEOBJECTTYPE),

src/Opta.h

@@ -78,8 +78,6 @@ class Opta
     const char * display_name,
     Led::OnSetLedStateFunc const on_set_led_state);
 
-  [[nodiscard]] UA_NodeId node_id() const { return _node_id; }
-
 
 private:
   UA_Server * _server;