remove dead SK_SUPPORT_LEGACY_IMAGEDECODER_CHOOSER code

src/ports/SkImageDecoder_empty.cpp

Index: src/ports/SkImageDecoder_empty.cpp
diff --git a/src/ports/SkImageDecoder_empty.cpp b/src/ports/SkImageDecoder_empty.cpp
index 722b7d45f8be6949d0751b3e82dcdf1a6d6821b6..069cf7fbcbd78b1caaa57ae39088a4e9efc9f9e6 100644
--- a/src/ports/SkImageDecoder_empty.cpp
+++ b/src/ports/SkImageDecoder_empty.cpp
@@ -68,12 +68,6 @@ SkImageDecoder::Peeker* SkImageDecoder::setPeeker(Peeker*) {
     return NULL;
 }
 
-#ifdef SK_SUPPORT_LEGACY_IMAGEDECODER_CHOOSER
-SkImageDecoder::Chooser* SkImageDecoder::setChooser(Chooser*) {
-    return NULL;
-}
-#endif
-
 SkBitmap::Allocator* SkImageDecoder::setAllocator(SkBitmap::Allocator*) {
     return NULL;
 }
@@ -85,12 +79,6 @@ bool SkImageDecoder::cropBitmap(SkBitmap*, SkBitmap*, int, int, int, int, int,
     return false;
 }
 
-#ifdef SK_SUPPORT_LEGACY_IMAGEDECODER_CHOOSER
-bool SkImageDecoder::chooseFromOneChoice(SkColorType, int, int) const {
-    return false;
-}
-#endif
-
 bool SkImageDecoder::allocPixelRef(SkBitmap*, SkColorTable*) const {
     return false;
 }