msm: mdss: Remove check for play count on VIG pipe for CSC

The play count will not be reset to 0 in static screen case.
However, we still need to reset the CSC setup because the
registers would be reset.

Change-Id: Id2f6d9317b4da561ec31b6454166704493880b81
CRs-Fixed: 716190
Signed-off-by: Benet Clark <benetc@codeaurora.org>