Remove TARGET_ENABLE_DRMHWCOMPOSER variable am: f605cac642

Original change: https://android-review.googlesource.com/c/device/google/trout/+/2918545

Change-Id: If820ed509f8c73877510514c9812c3e16afcef07
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>