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/SampleAll.cpp b/samplecode/SampleAll.cpp
index 133b653..8907a34 100644
--- a/samplecode/SampleAll.cpp
+++ b/samplecode/SampleAll.cpp
@@ -285,8 +285,8 @@
         path.addCircle(SkIntToScalar(20), SkIntToScalar(20), SkIntToScalar(20),
             SkPath::kCCW_Direction);
         for (int index = 0; index < 10; index++) {
-            SkScalar x = SkFloatToScalar((float) cos(index / 10.0f * 2 * 3.1415925358f));
-            SkScalar y = SkFloatToScalar((float) sin(index / 10.0f * 2 * 3.1415925358f));
+            SkScalar x = (float) cos(index / 10.0f * 2 * 3.1415925358f);
+            SkScalar y = (float) sin(index / 10.0f * 2 * 3.1415925358f);
             x *= index & 1 ? 7 : 14;
             y *= index & 1 ? 7 : 14;
             x += SkIntToScalar(20);