Fix regression that changed behavior of queues when ringing a queue member.

This reverts r298596, which was to fix a highly bizarre and contrived issue
with a queue member that called into his own queue being transferred back
into his own queue.  I couldn't reproduce that issue in any way.  I think one
of the other recent transfer fixes actually fixed this.

(closes issue #18747)
Reported by: vrban


git-svn-id: https://origsvn.digium.com/svn/asterisk/branches/1.4@308002 65c4cc65-6c06-0410-ace0-fbb531ad65f3

apps/app_queue.c

@@ -2442,7 +2442,6 @@ static struct callattempt *wait_for_answer(struct queue_ent *qe, struct callatte
 						case AST_CONTROL_RINGING:
 							if (option_verbose > 2)
 								ast_verbose( VERBOSE_PREFIX_3 "%s is ringing\n", o->chan->name);
-							ast_indicate(in, AST_CONTROL_RINGING);
 							break;
 						case AST_CONTROL_OFFHOOK:
 							/* Ignore going off hook */