Revert of Add color space xform support to SkJpegCodec (includes F16!)

src/core/SkColorSpaceXform.h

Index: src/core/SkColorSpaceXform.h
diff --git a/src/core/SkColorSpaceXform.h b/src/core/SkColorSpaceXform.h
index 2696b8582accdca6352fe7c5ef70d4b925e702ed..0a5b35c489b4d24c87cb9f2c2eaffd8c1d9bd5e5 100644
--- a/src/core/SkColorSpaceXform.h
+++ b/src/core/SkColorSpaceXform.h
@@ -15,7 +15,6 @@
 public:
 
     typedef uint32_t RGBA32;
-    typedef uint32_t BGRA32;
     typedef uint64_t RGBAF16;
 
     /**
@@ -33,8 +32,7 @@
      *  The src is stored as RGBA (8888) and is treated as opaque.
      *  TODO (msarett): Support non-opaque srcs.
      */
-    virtual void applyToRGBA(RGBA32* dst, const RGBA32* src, int len) const = 0;
-    virtual void applyToBGRA(BGRA32* dst, const RGBA32* src, int len) const = 0;
+    virtual void applyTo8888(SkPMColor* dst, const RGBA32* src, int len) const = 0;
     virtual void applyToF16(RGBAF16* dst, const RGBA32* src, int len) const = 0;
 
     virtual ~SkColorSpaceXform() {}
@@ -44,8 +42,7 @@
 class SkColorSpaceXform_Base : public SkColorSpaceXform {
 public:
 
-    void applyToRGBA(RGBA32* dst, const RGBA32* src, int len) const override;
-    void applyToBGRA(BGRA32* dst, const RGBA32* src, int len) const override;
+    void applyTo8888(SkPMColor* dst, const RGBA32* src, int len) const override;
     void applyToF16(RGBAF16* dst, const RGBA32* src, int len) const override;
 
     static constexpr int      kDstGammaTableSize = 1024;