Clean compiling warnings on Linux (part2)

xfa/src/fxbarcode/pdf417/BC_PDF417Writer.cpp

Index: xfa/src/fxbarcode/pdf417/BC_PDF417Writer.cpp
diff --git a/xfa/src/fxbarcode/pdf417/BC_PDF417Writer.cpp b/xfa/src/fxbarcode/pdf417/BC_PDF417Writer.cpp
index b3263f555988f80fd80f1755542a06e31a3eada3..457b30b750777cd9a1a1967c2aca00c04badd15a 100644
--- a/xfa/src/fxbarcode/pdf417/BC_PDF417Writer.cpp
+++ b/xfa/src/fxbarcode/pdf417/BC_PDF417Writer.cpp
@@ -44,25 +44,6 @@ FX_BOOL CBC_PDF417Writer::SetErrorCorrectionLevel(int32_t level) {
 void CBC_PDF417Writer::SetTruncated(FX_BOOL truncated) {
   m_bTruncated = truncated;
 }
-uint8_t* CBC_PDF417Writer::Encode(const CFX_ByteString& contents,
-                                  BCFORMAT format,
-                                  int32_t& outWidth,
-                                  int32_t& outHeight,
-                                  int32_t& e) {
-  if (format != BCFORMAT_PDF_417) {
-    return NULL;
-  }
-  CFX_WideString encodeContents = contents.UTF8Decode();
-  return Encode(encodeContents, outWidth, outHeight, e);
-}
-uint8_t* CBC_PDF417Writer::Encode(const CFX_ByteString& contents,
-                                  BCFORMAT format,
-                                  int32_t& outWidth,
-                                  int32_t& outHeight,
-                                  int32_t hints,
-                                  int32_t& e) {
-  return NULL;
-}
 uint8_t* CBC_PDF417Writer::Encode(const CFX_WideString& contents,
                                   int32_t& outWidth,
                                   int32_t& outHeight,