octokit/octokit.rb — pull request #518 by afeld (2014-10-08 15:31:54+00:00)
Title: remove preview API warning for team memberships API

As the APIs are now [final](https://developer.github.com/changes/2014-09-23-one-more-week-before-the-add-team-member-api-breaking-change/), the special `Accept` header is no longer needed.

...right?