Remove utf8 dep

package.json

@@ -87,7 +87,6 @@
     "@types/mocha": "^9.0.0",
     "@types/node": "^22.19.3",
     "@types/trusted-types": "^1.0.6",
-    "@types/utf8": "^3.0.0",
     "@types/webpack": "^5.28.0",
     "@types/ws": "^8.2.0",
     "@typescript-eslint/eslint-plugin": "^8.50.1",
@@ -111,7 +110,6 @@
     "ts-loader": "^9.3.1",
     "typescript": "^5.9.3",
     "typescript-eslint": "^8.50.1",
-    "utf8": "^3.0.0",
     "webpack": "^5.61.0",
     "webpack-cli": "^4.9.1",
     "ws": "^8.2.3",