Update README.md

Remove beta warning as plugin is stable right now

Author: ajibarra

README.md

@@ -10,8 +10,6 @@ API Plugin for CakePHP
 
 The **CakePHP-API** Plugin allows to easily expose a versioned API in a few lines of code.
 
-IMPORTANT: This plugin is **BETA**, use it at your own risk.
-
 Requirements
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