configs/agents.conf.sample - Remove example for non-functional "goodbye" parameter

The "goodbye" parameter is not implemented in the source code, it does nothing.

(closes issue SWP-6518)
Reported By: Steve Pitts
........

Merged revisions 408020 from http://svn.asterisk.org/svn/asterisk/branches/1.8


git-svn-id: https://origsvn.digium.com/svn/asterisk/branches/11@408021 65c4cc65-6c06-0410-ace0-fbb531ad65f3

configs/agents.conf.sample

@@ -54,11 +54,6 @@
 ;
 ;musiconhold => default
 ;
-; Define the default good bye sound file for agents
-; default to vm-goodbye
-;
-;goodbye => goodbye_file
-;
 ; Define updatecdr. This is whether or not to change the source
 ; channel in the CDR record for this call to agent/agent_id so
 ; that we know which agent generates the call