Remove image decoder and encoder autoregistration

src/images/SkImageDecoder_libbmp.h

Index: src/images/SkImageDecoder_libbmp.h
diff --git a/src/images/SkImageDecoder_libbmp.h b/src/images/SkImageDecoder_libbmp.h
new file mode 100644
index 0000000000000000000000000000000000000000..de398981072aa29ab1558e813f71278824b8faa4
--- /dev/null
+++ b/src/images/SkImageDecoder_libbmp.h
@@ -0,0 +1,17 @@
+
+/*
+ * 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 SkImageDecoder_libbmp_DEFINED
+#define SkImageDecoder_libbmp_DEFINED
+
+#include "SkImageDecoder.h"
+
+SkImageDecoder* SkCreateBMPImageDecoder(SkStreamRewindable* stream);
+SkImageDecoder::Format SkDetectFormatBMPImageDecoder(SkStreamRewindable* stream);
+
+#endif