[thunderbird] Default browser is no longer read from prefs

[Rahul Sundaram]

On 04/13/2011 06:47 AM, Christopher Aillon wrote:
> commit 7986a8567a9dbb2a6f8187b91a021d5ad350f96f
> Author: Christopher Aillon <caillon at redhat.com>
> Date:   Tue Apr 12 18:15:07 2011 -0700
>
>     Default browser is no longer read from prefs
>     
>     It's read from the system.  Too bad that means GConf for now...
>     
>     This means the open browser script isn't used either, so kill that.

This should go into the desktop beat for the release notes along with
the gconf key needed.

Rahul