Removed backend loading debuggin info; added TODO item about unnecessary loading.

TODO

@@ -8,6 +8,8 @@
 * Support for multiple domains.
 * Updates to the same address should be discarded (no SOA serial
   incrementing, etc.).
+* Make sure the Ildus server only requires the backends once, not per
+  connection. 
 
 == Known Issues
 

lib/ildus/server/backend.rb

@@ -36,7 +36,6 @@ module Ildus
         name = name.to_s
         path = File.dirname(__FILE__)
         file = File.join(path,  "#{type}_backends", name + ".rb")
-        puts "Requiring #{file} for #{type} backend: #{name}... "
         require file
 
         return mod.const_get(name.capitalize)