chore: remove Protractor

We have no end-to-end tests. If we did, we might use Playwright which we use for Vitest Browser unit tests.

Author: LayZeeDK

package.json

@@ -104,7 +104,6 @@
     "postcss-scss": "^4.0.9",
     "postcss-url": "~10.1.3",
     "prettier": "^3.4.2",
-    "protractor": "^7.0.0",
     "stylelint": "^15.11.0",
     "ts-node": "^10.9.2",
     "tslint": "^6.1.3",