ss4upgrade: removed commented out code and obsolete comments.

adunn · adunn · commit 5900e5c31def · 2018-11-02T08:47:19.000+13:00
diff --git a/README.md b/README.md
@@ -5,6 +5,10 @@ Uses a plugin for Chosen.js (which is used by SS), [Image-Select](https://github
 
 ![Working screenshot](https://github.com/Copperis/DropdownImageField/raw/master/docs/img/ss.png)
 
+## Requirements
+
+SilverStripe 4.0+
+
 ## Usage
 
 Example:
