Remove Disqus from Review Apps links

From this thread: https://gitlab.slack.com/archives/C03N3AY9W/p1503497530000402

Disqus bot is picking up the page title from the Review Apps link and sticks with it:

Screen_Shot_2017-08-24_at_13.24.26

I ask myself which other bots are caching the review apps stuff. 😕

Is there a way to remove Disqus from Review Apps links? There should be a config in Disqus control panel to enable/disable wildcard domains, maybe?

cc/ @cmattrex @connorshea @axil @rspeicher