Revert "Advertise support for BT709 in the WSI"

This reverts commit 737b5b495f7b65787bd676187dd9cca178386498.

Reason for revert: needs to land in aosp

Change-Id: I65d740d29096ff6724ed0eff5d9fb83112be6de5
Merged-In: I9ad64d7d8b21cd68c071dc90f7d032671096b0da
1 file changed