remove SkFloatToScalar macro

src/ports/SkFontHost_win.cpp

Index: src/ports/SkFontHost_win.cpp
diff --git a/src/ports/SkFontHost_win.cpp b/src/ports/SkFontHost_win.cpp
index 0aad4f8a221be88661a97226128517e0e8a9dd15..aee2b863e6477a47e866929328d1b2bc28cd241f 100755
--- a/src/ports/SkFontHost_win.cpp
+++ b/src/ports/SkFontHost_win.cpp
@@ -1065,7 +1065,7 @@ static void build_power_table(uint8_t table[], float ee) {
     for (int i = 0; i < 256; i++) {
         float x = i / 255.f;
         x = sk_float_pow(x, ee);
-        int xx = SkScalarRound(SkFloatToScalar(x * 255));
+        int xx = SkScalarRound(x * 255);
         table[i] = SkToU8(xx);
     }
 }