Remove image decoder and encoder autoregistration

tools/skhello.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 "SkCanvas.h"
 #include "SkCommandLineFlags.h"
 #include "SkData.h"
 #include "SkDocument.h"
-#include "SkForceLinking.h"
 #include "SkGraphics.h"
 #include "SkSurface.h"
 #include "SkImage.h"
 #include "SkImageEncoder.h"
 #include "SkStream.h"
 #include "SkString.h"
 
-__SK_FORCE_IMAGE_DECODER_LINKING;
-
 DEFINE_string2(outFile, o, "skhello", "The filename to write the image.");
 DEFINE_string2(text, t, "Hello", "The string to write.");
 
 static void doDraw(SkCanvas* canvas, const SkPaint& paint, const char text[]) {
     SkRect bounds;
     canvas->getClipBounds(&bounds);
 
     canvas->drawColor(SK_ColorWHITE);
     canvas->drawText(text, strlen(text),
                      bounds.centerX(), bounds.centerY(),
@@ skipping 72 matching lines @@
         }
     }
     return 0;
 }
 
 #if !defined SK_BUILD_FOR_IOS
 int main(int argc, char * const argv[]) {
     return tool_main(argc, (char**) argv);
 }
 #endif