Remove log.wtf lines

        long now = System.currentTimeMillis();

        long delta = alarmOnQuarterHour - now;

        if (0 >= delta || delta > 901000) {

            Log.wtf("quarterly alarm calculation error: nextq hour = " + alarmOnQuarterHour

                    + " now = " + now + " delta = " + delta);

            // Something went wrong in the calculation, schedule something that is

            // about 15 minutes. Next time , it will align with the 15 minutes border.

            alarmOnQuarterHour = now + 901000;