Revert commit b5bca896 (ACPI / EC: Add GPE reference counting
debugging messages), because it depends on commit f252cb09
(ACPI / EC: Add query flushing support) which breaks system suspend
on Acer Aspire S5 and needs to be reverted.
Signed-off-by: NRafael J. Wysocki <rafael.j.wysocki@intel.com>