BF:Wrong calculation of leave duration when the server time is set on CET/CEST time and not UTC.
Revert "BF:Wrong calculation of leave duration when the server time is set on CET/CEST time and not UTC."

This reverts commit 85bb92a4f59ea3c32f5cbfef97c13e99e4bf2513.
BF:Wrong calculation of leave duration when the server time is set on CET/CEST time and not UTC.