remove SK_SCALAR_IS_[FLOAT,FIXED] and assume floats

tests/Matrix44Test.cpp

Index: tests/Matrix44Test.cpp
diff --git a/tests/Matrix44Test.cpp b/tests/Matrix44Test.cpp
index afd2762a7acd624afdb56d068101c193386fa62d..8fd84d858c5d0c1d6bd8baafeefb89a0777a8a40 100644
--- a/tests/Matrix44Test.cpp
+++ b/tests/Matrix44Test.cpp
@@ -24,14 +24,7 @@ static bool nearly_equal_mscalar(SkMScalar a, SkMScalar b) {
 }
 
 static bool nearly_equal_scalar(SkScalar a, SkScalar b) {
-    // Note that we get more compounded error for multiple operations when
-    // SK_SCALAR_IS_FIXED.
-#ifdef SK_SCALAR_IS_FLOAT
     const SkScalar tolerance = SK_Scalar1 / 200000;
-#else
-    const SkScalar tolerance = SK_Scalar1 / 1024;
-#endif
-
     return SkScalarAbs(a - b) <= tolerance;
 }