cubicweb #2154654 still buggy remove_cookie [validation pending]
because expires is computed to 0 and the Cookie class interpret that has no expires.
this leads to empty cookies instead. It used to work before e8091b415ad8 for people no using UTC time...
|closed by||#eff4fe02ec64 [req cookie] fix remove_cookie expires which was leading to expires computed to 0 in set_cookie and the Cookie class interpret that has no expires. Closes #2154654|