Removed makeLinearGamma() from the public API for SkColorSpace

include/core/SkColorSpace.h

Index: include/core/SkColorSpace.h
diff --git a/include/core/SkColorSpace.h b/include/core/SkColorSpace.h
index b1daf4f232692898514f63f57ddb9f383d3ce793..26dd2211f5d09d982dd0cee47c1f562dda1f5f19 100644
--- a/include/core/SkColorSpace.h
+++ b/include/core/SkColorSpace.h
@@ -107,11 +107,6 @@ public:
     static sk_sp<SkColorSpace> NewICC(const void*, size_t);
 
     /**
-     *  Create an SkColorSpace with the same gamut as this color space, but with linear gamma.
-     */
-    sk_sp<SkColorSpace> makeLinearGamma();
-
-    /**
      *  Returns true if the color space gamma is near enough to be approximated as sRGB.
      */
     bool gammaCloseToSRGB() const;