Remove copy/pasta code around DEX_PREOPT.

Test: m
Change-Id: I792b67590656d5474cfbe2b86cd870532f95b24e
diff --git a/marlin/BoardConfig.mk b/marlin/BoardConfig.mk
index 7ee12c1..3ad6e4b 100644
--- a/marlin/BoardConfig.mk
+++ b/marlin/BoardConfig.mk
@@ -154,18 +154,6 @@
 BOARD_QTI_CAMERA_32BIT_ONLY := true
 TARGET_BOOTIMG_SIGNED := true
 
-# Enable dex pre-opt to speed up initial boot
-ifeq ($(HOST_OS),linux)
-  ifeq ($(WITH_DEXPREOPT),)
-    WITH_DEXPREOPT := true
-    WITH_DEXPREOPT_PIC := true
-    ifneq ($(TARGET_BUILD_VARIANT),user)
-      # Retain classes.dex in APK's for non-user builds
-      DEX_PREOPT_DEFAULT := nostripping
-    endif
-  endif
-endif
-
 # HTC_SENSOR_HUB
 LIBHTC_SENSORHUB_PROJECT := g_project
 
diff --git a/sailfish/BoardConfig.mk b/sailfish/BoardConfig.mk
index e2c09db..f4d835f 100644
--- a/sailfish/BoardConfig.mk
+++ b/sailfish/BoardConfig.mk
@@ -144,18 +144,6 @@
 BOARD_QTI_CAMERA_32BIT_ONLY := true
 TARGET_BOOTIMG_SIGNED := true
 
-# Enable dex pre-opt to speed up initial boot
-ifeq ($(HOST_OS),linux)
-  ifeq ($(WITH_DEXPREOPT),)
-    WITH_DEXPREOPT := true
-    WITH_DEXPREOPT_PIC := true
-    ifneq ($(TARGET_BUILD_VARIANT),user)
-      # Retain classes.dex in APK's for non-user builds
-      DEX_PREOPT_DEFAULT := nostripping
-    endif
-  endif
-endif
-
 # HTC_SENSOR_HUB
 LIBHTC_SENSORHUB_PROJECT := g_project