delete branch
How do you remove a branch from the Checkout branch pull down menu. I have deleted it from Git and it still appears in the menu. Need to remove the Dianna branch.
![screen shot 2016-08-24 at 11 55 32 am](https://cloud.githubusercontent.com/assets/5149601/17943768/afb21b44-69f1-11e6-9de2-3c57bd7ee438.png)
