Revert "Merge branch '7.0-add-holiday-weekend' of https://github.com/initOS/hr into 7.0-add-holiday-weekend"

This reverts commit f4033000e59a3e73846f55aed191cb26b8fe98ab, reversing
changes made to d15f10cd5d5d415539ba94a2ff967cac9eb87fef.