Remove dead code in fx_codec_jbig_enc.cpp.

core/src/fxcodec/codec/fx_codec_jbig_enc.cpp

Index: core/src/fxcodec/codec/fx_codec_jbig_enc.cpp
diff --git a/core/src/fxcodec/codec/fx_codec_jbig_enc.cpp b/core/src/fxcodec/codec/fx_codec_jbig_enc.cpp
deleted file mode 100644
index 38c82fdc1189e234bc3ee8472e3bef313ddd05f1..0000000000000000000000000000000000000000
--- a/core/src/fxcodec/codec/fx_codec_jbig_enc.cpp
+++ /dev/null
@@ -1,10 +0,0 @@
-// Copyright 2014 PDFium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
-
-#include "../../../include/fxcodec/fx_codec.h"
-ICodec_Jbig2Encoder* CCodec_ModuleMgr::CreateJbig2Encoder() {
-  return NULL;
-}