Removed duplicate 'backup' parameter (teamspeak3)

functions/fn_getopt

@@ -51,8 +51,6 @@ case "$getopt" in
 		fn_restart;;
 	update)
 		fn_update_check;;
-	backup)
-		fn_backup;;
 	monitor)
 		fn_monitor;;
 	email-test)
@@ -62,7 +60,7 @@ case "$getopt" in
 	backup)
 		fn_backup;;
 	*)
-		echo "Usage: $0 {start|stop|restart|update|backup|monitor|email-test|details|backup}"
+		echo "Usage: $0 {start|stop|restart|update|monitor|email-test|details|backup}"
 		exit 1;;
 esac
 exit