Remove unused variables.

Follow up from 13e5965306212a9051772ff1d5bc3a88e5fb5.

Change-Id: I370e52acd998ce72b4d7dbf2aba604d4b08bb0cf
diff --git a/core/package_internal.mk b/core/package_internal.mk
index f5e6c25..ec8cd3b 100644
--- a/core/package_internal.mk
+++ b/core/package_internal.mk
@@ -63,14 +63,6 @@
 LOCAL_MODULE_TAGS := optional
 endif
 
-ifeq ($(LOCAL_PACKAGE_ALIGNMENT),)
-LOCAL_PACKAGE_ALIGNMENT := $(DEFAULT_PACKAGE_ALIGNMENT)
-endif
-
-ifeq ($(LOCAL_JNI_SHARED_LIBRARIES_PACKAGE_ALIGNMENT),)
-LOCAL_JNI_SHARED_LIBRARIES_PACKAGE_ALIGNMENT := $(DEFAULT_JNI_SHARED_LIBRARIES_PACKAGE_ALIGNMENT)
-endif
-
 ifeq ($(filter tests, $(LOCAL_MODULE_TAGS)),)
 # Force localization check if it's not tagged as tests.
 LOCAL_AAPT_FLAGS := $(LOCAL_AAPT_FLAGS) -z