Changed some "register" methods to the proper "unregister" method. This is in...

Changed some "register" methods to the proper "unregister" method.  This is in a #if 0 block, but it may still be useful someday.

Thanks eliel.


git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@15319 65c4cc65-6c06-0410-ace0-fbb531ad65f3