Revert of Support Float32 output from SkColorSpaceXform

src/codec/SkCodecPriv.h

Index: src/codec/SkCodecPriv.h
diff --git a/src/codec/SkCodecPriv.h b/src/codec/SkCodecPriv.h
index 830f153cbaf4c86380fc7c0e412f219536e452a9..8876b72aa79bda11ca76b94d998ca671dbc4481c 100644
--- a/src/codec/SkCodecPriv.h
+++ b/src/codec/SkCodecPriv.h
@@ -142,20 +142,6 @@
  */
 static inline const SkPMColor* get_color_ptr(SkColorTable* colorTable) {
      return nullptr != colorTable ? colorTable->readColors() : nullptr;
-}
-
-static inline SkColorSpaceXform::ColorFormat select_xform_format(SkColorType colorType) {
-    switch (colorType) {
-        case kRGBA_8888_SkColorType:
-            return SkColorSpaceXform::kRGBA_8888_ColorFormat;
-        case kBGRA_8888_SkColorType:
-            return SkColorSpaceXform::kBGRA_8888_ColorFormat;
-        case kRGBA_F16_SkColorType:
-            return SkColorSpaceXform::kRGBA_F16_ColorFormat;
-        default:
-            SkASSERT(false);
-            return SkColorSpaceXform::kRGBA_8888_ColorFormat;
-    }
 }
 
 /*
@@ -176,7 +162,7 @@
             SkASSERT(colorXform);
             uint64_t dstColor;
             uint32_t srcColor = colorPtr[fillIndex];
-            colorXform->apply(&dstColor, &srcColor, 1, select_xform_format(colorType), alphaType);
+            colorXform->apply(&dstColor, &srcColor, 1, colorType, alphaType);
             return dstColor;
         }
         default:
@@ -357,7 +343,7 @@
     return !isLegacy && (needsPremul || isF16 || srcDstNotEqual);
 }
 
-static inline SkAlphaType select_xform_alpha(SkAlphaType dstAlphaType, SkAlphaType srcAlphaType) {
+static inline SkAlphaType select_alpha_xform(SkAlphaType dstAlphaType, SkAlphaType srcAlphaType) {
     return (kOpaque_SkAlphaType == srcAlphaType) ? kOpaque_SkAlphaType : dstAlphaType;
 }