Remove the packages directory.

The contents are no longer up to date or useful.  The removal was discussed
on the dev list here: http://svn.haxx.se/dev/archive-2013-01/0528.shtml



git-svn-id: https://svn.apache.org/repos/asf/subversion/trunk@1442167 13f79535-47bb-0310-9956-ffa450edef68