Remove image decoder and encoder autoregistration

tools/skimage_main.cpp

 /*
  * Copyright 2011 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #include "gm_expectations.h"
 #include "SkBitmap.h"
 #include "SkColorPriv.h"
 #include "SkCommandLineFlags.h"
 #include "SkData.h"
-#include "SkForceLinking.h"
 #include "SkGraphics.h"
 #include "SkImageDecoder.h"
 #include "SkImageEncoder.h"
 #include "SkOSFile.h"
 #include "SkRandom.h"
 #include "SkStream.h"
 #include "SkTArray.h"
 #include "SkTemplates.h"
 
-__SK_FORCE_IMAGE_DECODER_LINKING;
-
 DEFINE_string(config, "None", "Preferred config to decode into. [None|8888|565|A8]");
 DEFINE_string(createExpectationsPath, "", "Path to write JSON expectations.");
 DEFINE_string(mismatchPath, "", "Folder to write mismatched images to.");
 DEFINE_string2(readPath, r, "", "Folder(s) and files to decode images. Required.");
 DEFINE_string(readExpectationsPath, "", "Path to read JSON expectations from.");
 DEFINE_bool(reencode, true, "Reencode the images to test encoding.");
 DEFINE_int32(sampleSize, 1, "Set the sampleSize for decoding.");
 DEFINE_bool(skip, false, "Skip writing zeroes.");
 DEFINE_bool(testSubsetDecoding, true, "Test decoding subsets of images.");
 DEFINE_bool(writeChecksumBasedFilenames, false,  "When writing out actual images, use checksum-"
@@ skipping 801 matching lines @@
     print_strings("Known failures", gKnownFailures);
 
     return failed ? -1 : 0;
 }
 
 #if !defined SK_BUILD_FOR_IOS
 int main(int argc, char * const argv[]) {
     return tool_main(argc, (char**) argv);
 }
 #endif