rm sections directory

Author: Sophie Shepherd

CHANGELOG.md

@@ -145,7 +145,7 @@
 - [muan](https://github.com/muan)
 
 # 10.2.0 (2017-12-11)
-
+ 
 #### :rocket: Enhancement
 * [#376](https://github.com/primer/primer/pull/376) Extend spacing scale for marketing. ([@gladwearefriends](https://github.com/gladwearefriends))
 * [#409](https://github.com/primer/primer/pull/409) Add Sass key to package.json. ([@broccolini](https://github.com/broccolini))