You don't need "brew tap" any more

This works without needing the "brew tap" step:

    brew install mitchellh/gon/gon

Author: simonw

README.md

@@ -59,7 +59,6 @@ The example below runs `gon` against itself to generate a zip and dmg.
 
 The easiest way to install `gon` is via [Homebrew](https://brew.sh):
 
-    $ brew tap mitchellh/gon
     $ brew install mitchellh/gon/gon
 
 You may also download the appropriate release for your platform