[GATE-46] Logistical error causes buddy list to be wiped on migration from py transports.  Disabled deletes for now.
[GATE-45] Pseudo roster is now cleaned up.

git-svn-id: http://svn.igniterealtime.org/svn/repos/wildfire/trunk/src/plugins/gateway@5423 b35dd754-fafc-0310-a699-88a17e54d16e