remove SK_SCALAR_IS_[FLOAT,FIXED] and assume floats

src/core/SkEdge.h

Index: src/core/SkEdge.h
diff --git a/src/core/SkEdge.h b/src/core/SkEdge.h
index ea7c84f78d2ea122aa14f3cd4e16d1aae5f2d7e0..091223631fed4b4058a6ed93d59a5de638701999 100644
--- a/src/core/SkEdge.h
+++ b/src/core/SkEdge.h
@@ -89,19 +89,11 @@ int SkEdge::setLine(const SkPoint& p0, const SkPoint& p1, int shift) {
     SkFDot6 x0, y0, x1, y1;
 
     {
-#ifdef SK_SCALAR_IS_FLOAT
         float scale = float(1 << (shift + 6));
         x0 = int(p0.fX * scale);
         y0 = int(p0.fY * scale);
         x1 = int(p1.fX * scale);
         y1 = int(p1.fY * scale);
-#else
-        shift = 10 - shift;
-        x0 = p0.fX >> shift;
-        y0 = p0.fY >> shift;
-        x1 = p1.fX >> shift;
-        y1 = p1.fY >> shift;
-#endif
     }
 
     int winding = 1;