MOBILE-1311 app: Fix the README file

Author: jleyva

README.md

@@ -3,17 +3,11 @@ Moodle Mobile 2.x
 
 This is the primary repository of source code for the official Moodle Mobile app version 2.x.
 
-* [User documentation](http://docs.moodle.org/en/Mobile_app)
+* [User documentation](http://docs.moodle.org/en/Moodle_Mobile)
 * [Developer documentation](http://docs.moodle.org/dev/Moodle_Mobile)
 * [Bug Tracker](https://tracker.moodle.org/browse/MOBILE)
 * [Release Notes](http://docs.moodle.org/dev/Moodle_Mobile_Release_Notes)
 
-To build the app, refer to:
-
-* [Customization: Building](http://docs.moodle.org/dev/Moodle_Mobile_Customization#Building)
-* [Building for Android](http://docs.moodle.org/dev/Moodle_Mobile_Building_the_app_for_Android)
-* [Building for iOS](http://docs.moodle.org/dev/Moodle_Mobile_Building_the_app_for_iOS)
-
 License
 -------