Remove image decoder and encoder autoregistration

tests/JpegTest.cpp

Index: tests/JpegTest.cpp
diff --git a/tests/JpegTest.cpp b/tests/JpegTest.cpp
index 8828926ef9e5d70384272cf8fc748c4c3c60109d..411c0bfd6c6ecebb72ec269dda69f6f12672105b 100644
--- a/tests/JpegTest.cpp
+++ b/tests/JpegTest.cpp
@@ -7,15 +7,12 @@
 
 #include "SkBitmap.h"
 #include "SkDecodingImageGenerator.h"
-#include "SkForceLinking.h"
 #include "SkImageDecoder.h"
 #include "SkPixelRef.h"
 #include "SkStream.h"
 #include "SkTemplates.h"
 #include "Test.h"
 
-__SK_FORCE_IMAGE_DECODER_LINKING;
-
 #define JPEG_TEST_WRITE_TO_FILE_FOR_DEBUGGING 0  // do not do this for
                                                  // normal unit testing.
 static unsigned char goodJpegImage[] = {