Update README.md

Author: Robert Gummesson

README.md

@@ -5,8 +5,6 @@ Build Time Analyzer for Xcode
 
 Build Time Analyzer is an OS X app that shows you a break down of Swift build times. See [this post]( https://medium.com/p/fc92cdd91e31) and [this post](https://medium.com/p/37b0a7514cbe) on Medium for context. 
 
-**Note:** Build Time Analyzer is no longer an Xcode plug-in. As of Xcode 8, plug-ins are no longer supported.
-
 ## Usage
 
 Open up the app and follow the instructions.