[rfc][icedtea-web] Remove legacy xulrunner check

[Jiri Vanek]

On 05/02/2013 04:23 PM, Adam Domurad wrote:
> Hi all. Now that the legacy NPAPI support has been dropped, this check should be dropped too.
> Worse yet, this #ifdef incorrectly was activated when helping someone build on a clean F18.
> Investigating the issue is possible -- but dropping it is easier and makes sense.
>
> Note, this is the only occurrence of 'LEGACY_XULRUNNERAPI'.
>
> Happy hacking,
> -Adam
How it could be activated!??!!?

ANyway ok to remove.

Loks like today is big push day....