device-common: make lcd_density device-specific am: e7e6207810 am: 932586ec38

Original change: https://android-review.googlesource.com/c/device/linaro/dragonboard/+/1723135

Change-Id: If03273a4bb442eaa8975f814947df11ca5e70940
diff --git a/device-common.mk b/device-common.mk
index 4beaf6e..9a89a43 100644
--- a/device-common.mk
+++ b/device-common.mk
@@ -59,7 +59,6 @@
     ro.hardware.gralloc=gbm \
     ro.hardware.hwcomposer=drm \
     debug.sf.no_hw_vsync=1 \
-    ro.sf.lcd_density=160 \
     ro.opengles.version=196608 \
     persist.demo.rotationlock=1