Delete a port I maintain

[Eitan Adler]

The upstream author no longer maintains this port and I don't have the
time to fix it.
This port could be removed from the ports tree.

portname:           hebrew/geresh
broken because:     needs update for the new fribidi paragraph API
build errors:
http://pointyhat.freebsd.org/errorlogs/i386-errorlogs/e.6.20090822221417/iw-geresh-0.6.3_1.log
(_Aug_23_08:41:05_UTC_2009)
overview:
http://portsmon.FreeBSD.org/portoverview.py?category=hebrew&portname=geresh