Purge WordsPriorityQueue

Change-Id: If14034c09d0dd335c84dd3a6ea2775655eefd38f
diff --git a/native/jni/Android.mk b/native/jni/Android.mk
index 8c3e263..7ca4057 100644
--- a/native/jni/Android.mk
+++ b/native/jni/Android.mk
@@ -48,8 +48,7 @@
 LATIN_IME_CORE_SRC_FILES := \
     suggest/core/suggest.cpp \
     $(addprefix obsolete/, \
-        correction.cpp \
-        words_priority_queue.cpp) \
+        correction.cpp) \
     $(addprefix suggest/core/dicnode/, \
         dic_node.cpp \
         dic_node_utils.cpp \