Remove Cache from README

Author: jianghaolu

README.md

@@ -28,7 +28,7 @@ This repository contains a set of PowerShell cmdlets for developers and administ
       * Log streaming
       * Save log
 * Cloud Services
-  * Create scaffolding for cloud service and role. Role support includes Node.js, PHP and Cache.
+  * Create scaffolding for cloud service and role. Role support includes Node.js and PHP.
   * Manage cloud service and role, such as CRUD, start and stop.
   * Manage extension
   * Start/Stop Azure emulator.