remove SkFloatToScalar macro

BUG=
R=reed@google.com, djsollen@google.com

Author: caryclark@google.com

Review URL: https://codereview.chromium.org/85463005

git-svn-id: http://skia.googlecode.com/svn/trunk@12385 2bbb7eff-a529-9590-31e7-b0007b416f81
diff --git a/samplecode/SampleRegion.cpp b/samplecode/SampleRegion.cpp
index 39c27a8..886eb96 100644
--- a/samplecode/SampleRegion.cpp
+++ b/samplecode/SampleRegion.cpp
@@ -76,7 +76,7 @@
 
     // pos[1] value is where we start to fade, relative to the width
     // of our pts[] array.
-    const SkScalar pos[] = { 0, SkFloatToScalar(0.9f), SK_Scalar1 };
+    const SkScalar pos[] = { 0, 0.9f, SK_Scalar1 };
 
     SkShader* s = SkGradientShader::CreateLinear(pts, colors, pos, 3,
                                                  SkShader::kClamp_TileMode);