fix(security): Removed stylus package due to potential security vulnerability and we don't use it. (#5250)

addOns/externals/devDependencies/package.json

@@ -77,8 +77,6 @@
     "shx": "^0.3.3",
     "source-map-loader": "^4.0.1",
     "style-loader": "^1.0.0",
-    "stylus": "^0.59.0",
-    "stylus-loader": "^7.1.3",
     "terser-webpack-plugin": "^5.1.4",
     "typescript": "5.5.4",
     "unused-webpack-plugin": "2.4.0",