bit of clean up

static/connection.js

@@ -1,4 +1,4 @@
-import { generateNodeId, createSVGElement } from './utils.js';
+import { createSVGElement } from './utils.js';
 
 export class Connection {
     static _activeConnection = null;

static/utils.js

@@ -1,5 +1,3 @@
-let nodeIdCounter = 1;
-
 /**
  * Generates a unique node ID like "node-1", "node-2", etc.
  * @returns {string}