Remove unused variable DONT_INSTALL_DEX_FILES

Change-Id: Ic91ba1f551e0a1a81aaac438fbd1d359a71a7bfa
diff --git a/core/package.mk b/core/package.mk
index 57d6f4b..8ca9033 100644
--- a/core/package.mk
+++ b/core/package.mk
@@ -157,15 +157,9 @@
 endif
 endif
 
-# The dex files go in the package, so we don't
-# want to install them separately for this module.
-old_DONT_INSTALL_DEX_FILES := $(DONT_INSTALL_DEX_FILES)
-DONT_INSTALL_DEX_FILES := true
 #################################
 include $(BUILD_SYSTEM)/java.mk
 #################################
-DONT_INSTALL_DEX_FILES := $(old_DONT_INSTALL_DEX_FILES)
-old_DONT_INSTALL_DEX_FILES =
 
 full_android_manifest := $(LOCAL_PATH)/$(LOCAL_MANIFEST_FILE)
 $(LOCAL_INTERMEDIATE_TARGETS): \