[Oneiric] perf: Fix libbfd usage

[Andy Whitcroft]

On Wed, Aug 17, 2011 at 03:24:33PM +0200, Stefan Bader wrote:
> From the discussion on the mailing list this not only is a matter
> of having libbfd not linked dynamically but not at all (the licence
> seems incompatible). So we probably should start to remove it for
> Oneiric and follow up with older releases...
> 
> This changes the used demangling function from the one in libbfd to
> the one in libiberty (which is available only as a static library)
> but according to Ben, there is no difference. And it seems Redhat
> also had to go that way.

Does this mean we can revert the previous change?

-apw