Disable blurs on rvc

Bug: 155338150
Test: make
Change-Id: Ia8899c6340369d84ab584bef124784193a05e0a7
diff --git a/device-common.mk b/device-common.mk
index 65a6498..9c466f4 100644
--- a/device-common.mk
+++ b/device-common.mk
@@ -141,11 +141,6 @@
     FILESYSTEM_TYPE_product=ext4 \
     POSTINSTALL_OPTIONAL_product=false \
 
-# Enable blurs
-PRODUCT_PRODUCT_PROPERTIES += \
-    ro.surface_flinger.supports_background_blur=1 \
-    ro.sf.blurs_are_expensive=1
-
 # Set thermal warm reset
 PRODUCT_PRODUCT_PROPERTIES += \
     ro.thermal_warmreset = true \