Remove incorrect environment variable for mac (#708)

FuriKuri · David Chung · commit db24596f4ae8 · 2017-10-01T12:11:07.000-07:00
Signed-off-by: Theo Pack &lt;tf.pack@gmail.com&gt;
diff --git a/docs/playbooks/README.md b/docs/playbooks/README.md
@@ -28,11 +28,6 @@ In your terminal, or add this to your `.bash_profile`:
 ```shell
 export INFRAKIT_HOME=~/.infrakit
 ```
-If you're on the Mac, also
-
-```shell
-export INFRAKIT_HOST=localhost
-```
 
 ## Add a Playbook
 
