Remove unused jquery.cookie dependency

Author: myabc

frontend/package-lock.json

@@ -147,7 +147,6 @@
     "idiomorph": "^0.7.4",
     "jquery": "^3.7.1",
     "jquery.caret": "^0.3.1",
-    "jquery.cookie": "^1.4.1",
     "json5": "^2.2.2",
     "lit-html": "^3.3.2",
     "lodash": "^4.17.23",