feat(hipchat): hipchat is now removed, this is a breaking change

[docmerlin]

Description

1-3 sentences describing the PR (or link to well written issue)

Context

Hipchat no longer exists! So we are removing support.

Affected areas (if applicable):

This removes hipchat. Hipchat no longer exists and hasn't for about 2 years. This removes hipchat. Furthermore, it will now return an error if you try to update hipchat endpoints.