Merge "dragonboard: Drop unsupported hwc.drm properties" am: 513c598041 am: ed179afb4d

Original change: https://android-review.googlesource.com/c/device/linaro/dragonboard/+/1688840

Change-Id: Id9db7512fcc900481ec6dc1bbe45babff52b2e26
diff --git a/device-common.mk b/device-common.mk
index 58353b8..4beaf6e 100644
--- a/device-common.mk
+++ b/device-common.mk
@@ -59,8 +59,6 @@
     ro.hardware.gralloc=gbm \
     ro.hardware.hwcomposer=drm \
     debug.sf.no_hw_vsync=1 \
-    hwc.drm.use_framebuffer_target=1 \
-    hwc.drm.use_overlay_planes=0 \
     ro.sf.lcd_density=160 \
     ro.opengles.version=196608 \
     persist.demo.rotationlock=1