Remove outdated comment in SkImageDecoder.h

include/core/SkImageDecoder.h

 /*
  * Copyright 2006 The Android Open Source Project
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #ifndef SkImageDecoder_DEFINED
 #define SkImageDecoder_DEFINED
 
@@ skipping 270 matching lines @@
     bool decodeSubset(SkBitmap* bm, const SkIRect& subset, SkColorType pref);
 
     /** Given a stream, this will try to find an appropriate decoder object.
         If none is found, the method returns NULL.
     */
     static SkImageDecoder* Factory(SkStreamRewindable*);
 
     /** Decode the image stored in the specified file, and store the result
         in bitmap. Return true for success or false on failure.
 
-        @param pref If the PrefConfigTable is not set, prefer this colortype.
-                          See NOTE ABOUT PREFERRED CONFIGS.
+        @param pref Prefer this colortype.
 
         @param format On success, if format is non-null, it is set to the format
                       of the decoded file. On failure it is ignored.
     */
     static bool DecodeFile(const char file[], SkBitmap* bitmap, SkColorType pref, Mode,
                            Format* format = NULL);
     static bool DecodeFile(const char file[], SkBitmap* bitmap) {
         return DecodeFile(file, bitmap, kUnknown_SkColorType, kDecodePixels_Mode, NULL);
     }
 
     /** Decode the image stored in the specified memory buffer, and store the
         result in bitmap. Return true for success or false on failure.
 
-        @param pref If the PrefConfigTable is not set, prefer this colortype.
-                          See NOTE ABOUT PREFERRED CONFIGS.
+        @param pref Prefer this colortype.
 
         @param format On success, if format is non-null, it is set to the format
                        of the decoded buffer. On failure it is ignored.
      */
     static bool DecodeMemory(const void* buffer, size_t size, SkBitmap* bitmap, SkColorType pref,
                              Mode, Format* format = NULL);
     static bool DecodeMemory(const void* buffer, size_t size, SkBitmap* bitmap){
         return DecodeMemory(buffer, size, bitmap, kUnknown_SkColorType, kDecodePixels_Mode, NULL);
     }
 
     /**
      *  Struct containing information about a pixel destination.
      */
     struct Target {
         /**
          *  Pre-allocated memory.
          */
         void*  fAddr;
 
         /**
          *  Rowbytes of the allocated memory.
          */
         size_t fRowBytes;
     };
 
     /** Decode the image stored in the specified SkStreamRewindable, and store the result
         in bitmap. Return true for success or false on failure.
 
-        @param pref If the PrefConfigTable is not set, prefer this colortype.
-                          See NOTE ABOUT PREFERRED CONFIGS.
+        @param pref Prefer this colortype.
 
         @param format On success, if format is non-null, it is set to the format
                       of the decoded stream. On failure it is ignored.
      */
     static bool DecodeStream(SkStreamRewindable* stream, SkBitmap* bitmap, SkColorType pref, Mode,
                              Format* format = NULL);
     static bool DecodeStream(SkStreamRewindable* stream, SkBitmap* bitmap) {
         return DecodeStream(stream, bitmap, kUnknown_SkColorType, kDecodePixels_Mode, NULL);
     }
 
@@ skipping 162 matching lines @@
 DECLARE_DECODER_CREATOR(PKMImageDecoder);
 DECLARE_DECODER_CREATOR(KTXImageDecoder);
 DECLARE_DECODER_CREATOR(ASTCImageDecoder);
 
 // Typedefs to make registering decoder and formatter callbacks easier.
 // These have to be defined outside SkImageDecoder. :(
 typedef SkTRegistry<SkImageDecoder*(*)(SkStreamRewindable*)>        SkImageDecoder_DecodeReg;
 typedef SkTRegistry<SkImageDecoder::Format(*)(SkStreamRewindable*)> SkImageDecoder_FormatReg;
 
 #endif