Revert of Use SkSwizzler to convert from CMYK

src/codec/SkSwizzler.h

 /*
  * Copyright 2015 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #ifndef SkSwizzler_DEFINED
 #define SkSwizzler_DEFINED
 
@@ skipping 15 matching lines @@
         kIndex2,
         kIndex4,
         kIndex,
         kRGB,
         kBGR,
         kRGBX,
         kBGRX,
         kRGBA,
         kBGRA,
         kRGB_565,
-        kCMYK,
     };
 
     /*
      *
      * Result code for the alpha components of a row.
      *
      */
     typedef uint16_t ResultAlpha;
     static const ResultAlpha kOpaque_ResultAlpha = 0xFFFF;
     static const ResultAlpha kTransparent_ResultAlpha = 0x0000;
@@ skipping 44 matching lines @@
                 return 8;
             case kRGB_565:
                 return 16;
             case kRGB:
             case kBGR:
                 return 24;
             case kRGBX:
             case kRGBA:
             case kBGRX:
             case kBGRA:
-            case kCMYK:
                 return 32;
             default:
                 SkASSERT(false);
                 return 0;
         }
     }
 
     /*
      *
      * Returns bytes per pixel for source config
@@ skipping 75 matching lines @@
                                           //     fBPP is bytesPerPixel
                                           // else
                                           //     fBPP is bitsPerPixel
 
     SkSwizzler(RowProc proc, const SkPMColor* ctable, int srcOffset, int subsetWidth, int bpp);
 
     int onSetSampleX(int) override;
 
 };
 #endif // SkSwizzler_DEFINED