ARM: dts: msm: Remove all votes from PIL for NPU on sdm855

NPU kernel driver already handles all the clocks/regualators/bus.
There is no need for duplicate votes from PIL driver so remove
all votes.

Change-Id: Ib8e94f8c791077b47c40d9477635c017dc1f30ba
Signed-off-by: Runmin Wang <runminw@codeaurora.org>