omni: dexpreopt is now mandatory

Change-Id: I1a4a075d6b46dd9c21390fe06aae30e432f391cd
diff --git a/config/common.mk b/config/common.mk
index 01392cf..0f6800a 100644
--- a/config/common.mk
+++ b/config/common.mk
@@ -110,30 +110,3 @@
 
 # Add our overlays
 DEVICE_PACKAGE_OVERLAYS += vendor/omni/overlay/common
-
-# Enable dexpreopt for all nightlies
-ifeq ($(ROM_BUILDTYPE),NIGHTLY)
-    ifeq ($(WITH_DEXPREOPT),)
-        WITH_DEXPREOPT := true
-        WITH_DEXPREOPT_PIC := true
-    endif
-endif
-# and weeklies
-ifeq ($(ROM_BUILDTYPE),WEEKLY)
-    ifeq ($(WITH_DEXPREOPT),)
-        WITH_DEXPREOPT := true
-        WITH_DEXPREOPT_PIC := true
-    endif
-endif
-# and security releases
-ifeq ($(ROM_BUILDTYPE),SECURITY_RELEASE)
-    ifeq ($(WITH_DEXPREOPT),)
-        WITH_DEXPREOPT := true
-        WITH_DEXPREOPT_PIC := true
-    endif
-endif
-# but not homemades
-ifeq ($(ROM_BUILDTYPE),HOMEMADE)
-    WITH_DEXPREOPT := true
-    WITH_DEXPREOPT_PIC := true
-endif