Remove dependency on the ws module.

Deleted the entire `ws` library and its associated files. This likely reflects a move away from the WebSocket library, possibly signaling an alternate implementation or unused/legacy code cleanup.

services/edge-agent/package-lock.json

@@ -6,8 +6,7 @@
     "": {
       "name": "truckwash-edge-agent",
       "dependencies": {
-        "node-pty": "^1.1.0",
-        "ws": "^8.18.0"
+        "node-pty": "^1.1.0"
       }
     },
     "node_modules/node-addon-api": {
@@ -25,27 +24,6 @@
       "dependencies": {
         "node-addon-api": "^7.1.0"
       }
-    },
-    "node_modules/ws": {
-      "version": "8.20.0",
-      "resolved": "https://registry.npmjs.org/ws/-/ws-8.20.0.tgz",
-      "integrity": "sha512-sAt8BhgNbzCtgGbt2OxmpuryO63ZoDk/sqaB/znQm94T4fCEsy/yV+7CdC1kJhOU9lboAEU7R3kquuycDoibVA==",
-      "license": "MIT",
-      "engines": {
-        "node": ">=10.0.0"
-      },
-      "peerDependencies": {
-        "bufferutil": "^4.0.1",
-        "utf-8-validate": ">=5.0.2"
-      },
-      "peerDependenciesMeta": {
-        "bufferutil": {
-          "optional": true
-        },
-        "utf-8-validate": {
-          "optional": true
-        }
-      }
     }
   }
 }