Remove now-unused classes.

The functionality of these classes has been merged
into their use-sites. They are small enough that it
is more clear to see the local locally than to have
it in a separate file. Given that we use them at a
single site.
Improve Inspircd mode joins

real host wasn't getting sent (again?)
simplified oper logic
simplified join with modes (all in a single FJOIN)
mark users as using a secure connection (allows them to join +z channels)
Merge pull request #99 from glguy/ssl-and-realhost

Remove unused classes, mark in-game users secure, simplify fmode on join