NFC: Remove PMIC clock voting from HLOS

Due to voting from HLOS NFC enable and disable
current is increased by 1.5mA.

Remove NFC PMIC clock voting from HLOS
as PIN voting is already enabled from bootloader.

Change-Id: I03605e5d3edc1645f59d606463fa1782b8d61bb2
Signed-off-by: Gaurav Singhal <gsinghal@codeaurora.org>