revert unintentional changes in rev 81226

git-svn-id: https://origsvn.digium.com/svn/asterisk/branches/1.4@81228 65c4cc65-6c06-0410-ace0-fbb531ad65f3

pbx/pbx_dundi.c

@@ -4490,11 +4490,6 @@ static int unload_module(void)
 	close(netsocket);
 	io_context_destroy(io);
 	sched_context_destroy(sched);
-	/* Mark all mappings/peers as dead and then prune them */
-	mark_mappings();
-	prune_mappings();
-	mark_peers();
-	prune_peers();
 
 	return 0;
 }