Remove releasing from dev docs table of contents
[#168512601](https://www.pivotaltracker.com/story/show/168512601)
- [Create-Or-Update pattern](#create-or-update-pattern)
- [Logging and Events](#logging-and-events)
- [Versioning](#versioning)
- - [Releasing](#releasing)
- - [How to Create a New Release](#how-to-create-a-new-release)
## Requirements
