Revert "hwc2: Enable HBM based on HDR layer coverage"

This reverts commit 92de28003dd8b2d9da22470251c2d02915713127.

Reason for revert: Breaks aosp_crosshatch and aosp_blueline

Bug: 109762428

Change-Id: Ifeb63df5e00414535fbb0d6be77fd1aec57ea392
5 files changed