阻止AJAX响应设置cookies

AJAX调用的典型响应标头和正文:

HTTP/1.1 200 OK
Date: Thu, 11 Oct 2018 10:14:46 GMT
Server: Apache/2.4.18 (Ubuntu)
Set-Cookie: PHPSESSID=kcmg1k9e; path=/
Expires: Thu, 19 Nov 1981 08:52:00 GMT
Cache-Control: no-store, no-cache, must-revalidate
Pragma: no-cache
Content-Length: 2274
Keep-Alive: timeout=5, max=100
Connection: Keep-Alive
Content-Type: application/json; charset=UTF-8

{"foo":15,"bar":25}