Remove unstable warning

README.md

@@ -3,14 +3,6 @@ Roundcube Webmail
 [roundcube.net](http://roundcube.net)
 
 
-ATTENTION
----------
-This is a beta release for testing and **NOT A STABLE version of Roundcube**.
-It's not recommended to replace an existing installation of Roundcube with
-this version. Also using a separate database for this installation is highly
-recommended.
-
-
 INTRODUCTION
 ------------
 Roundcube Webmail is a browser-based multilingual IMAP client with an
@@ -98,4 +90,4 @@ hello(at)roundcube(dot)net
 [license]:      http://roundcube.net/license
 [contrib]:      http://roundcube.net/contribute
 [support]:      http://roundcube.net/support
-[tracreport]:   http://trac.roundcube.net/wiki/Howto_ReportIssues
+[tracreport]:   http://trac.roundcube.net/wiki/Howto_ReportIssues