d07370b0 

Remove Cask from emacs-lisp dev shell

It’s broken in Nixpkgs 25.05, so just skip it.
Time to Start Worker time Duration Time to finish
Config 0s 1s 1s 1s
Eval 1s 22s 22s 23s
Build 24s 2m04s - -
Suite 0s 2m27s - -