Revert of Speeup hairline curves (quads and cubics)

src/core/SkGeometry.h

Index: src/core/SkGeometry.h
diff --git a/src/core/SkGeometry.h b/src/core/SkGeometry.h
index 9ddd91f7504f1c0f1ef3ddea4feb2820e96d08a5..bafde61155bed86bcc79287daad9ce53fdb4c325 100644
--- a/src/core/SkGeometry.h
+++ b/src/core/SkGeometry.h
@@ -9,22 +9,6 @@
 #define SkGeometry_DEFINED
 
 #include "SkMatrix.h"
-#include "SkNx.h"
-
-static inline Sk2s from_point(const SkPoint& point) {
-    return Sk2s::Load(&point.fX);
-}
-
-static inline SkPoint to_point(const Sk2s& x) {
-    SkPoint point;
-    x.store(&point.fX);
-    return point;
-}
-
-static inline Sk2s sk2s_cubic_eval(const Sk2s& A, const Sk2s& B, const Sk2s& C, const Sk2s& D,
-                                   const Sk2s& t) {
-    return ((A * t + B) * t + C) * t + D;
-}
 
 /** Given a quadratic equation Ax^2 + Bx + C = 0, return 0, 1, 2 roots for the
     equation.
@@ -40,16 +24,6 @@
     0 <= t <= 1.0
 */
 void SkEvalQuadAt(const SkPoint src[3], SkScalar t, SkPoint* pt, SkVector* tangent = NULL);
-
-/**
- *  output is : eval(t) == coeff[0] * t^2 + coeff[1] * t + coeff[2]
- */
-void SkQuadToCoeff(const SkPoint pts[3], SkPoint coeff[3]);
-
-/**
- *  output is : eval(t) == coeff[0] * t^3 + coeff[1] * t^2 + coeff[2] * t + coeff[3]
- */
-void SkCubicToCoeff(const SkPoint pts[4], SkPoint coeff[4]);
 
 /** Given a src quadratic bezier, chop it at the specified t value,
     where 0 < t < 1, and return the two new quadratics in dst: