Revert "added back google analytics tracking code"
Doing this because I'll be moving the constant for google analytics code to /index.php which is kept out of the repo
This way we won't track in analytics dev.womenandtech.com

This reverts commit f4767ad4fabbe588335cec4c69573ef8f54c422c.
moved google tracking code to constant to be used in /index.php
moved site environment variable to a constant