Revert "Tests were failing because unit tests don't take into account seconds. Therefore quick fix to ignore seconds (zero them) in DaytimePeakPeriod.getTimeInSecondsInCallDuringPeak"

This reverts commit 4f7408310df304241f9982d5e756b3675488e1d2.

Conflicts:
	tests/com/acmetelecom/BillingSystemTest.java