Remove image decoder and encoder autoregistration

src/images/SkImageEncoder_argb.h

Index: src/images/SkImageEncoder_argb.h
diff --git a/src/images/SkImageEncoder_argb.h b/src/images/SkImageEncoder_argb.h
new file mode 100644
index 0000000000000000000000000000000000000000..076a3cab12312495c1483ac05f601423a40084a0
--- /dev/null
+++ b/src/images/SkImageEncoder_argb.h
@@ -0,0 +1,21 @@
+/*
+ * Copyright 2014 Google Inc.
+ *
+ * Use of this source code is governed by a BSD-style license that can be
+ * found in the LICENSE file.
+ */
+
+#ifndef SkImageEncoder_argb_DEFINED
+#define SkImageEncoder_argb_DEFINED
+
+#include "SkImageEncoder.h"
+
+class SkImageEncoder_argb : public SkImageEncoder {
+protected:
+    virtual bool onEncode(SkWStream* stream, const SkBitmap& bm, int quality) SK_OVERRIDE;
+
+private:
+    typedef SkImageEncoder INHERITED;
+};
+
+#endif