Remove reference to Metasearch

Author: scarroll32

README.md

@@ -11,8 +11,7 @@ Ransack enables the creation of both
 for your Ruby on Rails application
 ([demo source code here](https://github.com/activerecord-hackery/ransack_demo)).
 If you're looking for something that simplifies query generation at the model
-or controller layer, you're probably not looking for Ransack (or MetaSearch,
-for that matter).
+or controller layer, you're probably not looking for Ransack.
 
 ## Getting started