Remove BUILDING_WITH_VSDK code paths

These are unused now.

Bug: 332986564
Test: presubmits
Change-Id: If70c108d51e32bf6e1cbfcbf56c5a19e51851ff0
diff --git a/core/config.mk b/core/config.mk
index 47018aa..fafdfe1 100644
--- a/core/config.mk
+++ b/core/config.mk
@@ -598,10 +598,7 @@
 DISABLE_PREOPT_BOOT_IMAGES :=
 ifneq (,$(TARGET_BUILD_APPS)$(TARGET_BUILD_UNBUNDLED_IMAGE))
   DISABLE_PREOPT := true
-  # VSDK builds perform dexpreopt during merge_target_files build step.
-  ifneq (true,$(BUILDING_WITH_VSDK))
-    DISABLE_PREOPT_BOOT_IMAGES := true
-  endif
+  DISABLE_PREOPT_BOOT_IMAGES := true
 endif
 ifeq (true,$(TARGET_BUILD_UNBUNDLED))
   ifneq (true,$(UNBUNDLED_BUILD_SDKS_FROM_SOURCE))