outdated links in explaining-bsd

[Rene Ladan]

Hi,

it seems that the links to BSDi and the Wall Street Journal article in the
'Explaining BSD' article are outdated.  I think the latter link can be safely
removed, since it is only mentioned once.  The former link is integrated more
tightly into the article, but it might also be removed (maybe with a note what
became of BSDi, see wikipedia).

Regards,
Rene
-- 
http://www.rene-ladan.nl/

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