Remove broken chromium package to fix CI failure

Co-authored-by: liuliu-dev <6688812+liuliu-dev@users.noreply.github.com>

Author: Copilot

package-lock.json

@@ -28,7 +28,6 @@
   "devDependencies": {
     "@github/prettier-config": "0.0.4",
     "chai": "^4.3.4",
-    "chromium": "3.2171.3008",
     "eslint": "^7.26.0",
     "eslint-plugin-custom-elements": "^0.0.2",
     "eslint-plugin-github": "^4.1.3",