Remove the FrankfurtBSD entry. The website refers to a shoesite and the
original submitter does not have a valid email address anymore.

<mhardt@gmx.net>: host mx0.gmx.net[213.165.64.100] said: 550 5.2.1 {mx006}

<mhardt@gmx.net>... User is inactive (in reply to RCPT TO command)

Noticed by: Carsten Wald <Carsten dot Wald at igd dot fraunhofer dot de>