remove SK_SCALAR_IS_[FLOAT,FIXED] and assume floats

src/core/SkScan_AntiPath.cpp

Index: src/core/SkScan_AntiPath.cpp
diff --git a/src/core/SkScan_AntiPath.cpp b/src/core/SkScan_AntiPath.cpp
index 0d2152c7c15cb99b21832069abd16b31c36abd05..e5c67a958af2ef2069ff7ec1fff2a75e402a3e39 100644
--- a/src/core/SkScan_AntiPath.cpp
+++ b/src/core/SkScan_AntiPath.cpp
@@ -589,13 +589,8 @@ static int rect_overflows_short_shift(SkIRect rect, int shift) {
 }
 
 static bool safeRoundOut(const SkRect& src, SkIRect* dst, int32_t maxInt) {
-#ifdef SK_SCALAR_IS_FIXED
-    // the max-int (shifted) is exactly what we want to compare against, to know
-    // if we can survive shifting our fixed-point coordinates
-    const SkFixed maxScalar = maxInt;
-#else
     const SkScalar maxScalar = SkIntToScalar(maxInt);
-#endif
+
     if (fitsInsideLimit(src, maxScalar)) {
         src.roundOut(dst);
         return true;