remove prototype pathops code

experimental/Intersection/Intersection_Tests.h

-/*
- * Copyright 2012 Google Inc.
- *
- * Use of this source code is governed by a BSD-style license that can be
- * found in the LICENSE file.
- */
-#include "DataTypes_Test.h"
-
-void ActiveEdge_Test();
-void ConvexHull_Test();
-void ConvexHull_X_Test();
-void CubicBezierClip_Test();
-void CubicCoincidence_Test();
-void CubicIntersection_IntersectionFinder();
-void CubicIntersection_NewOneOffTest();
-void CubicIntersection_OneOffTest();
-void CubicIntersection_OneOffTests();
-void CubicIntersection_SelfTest();
-void CubicIntersection_Test();
-void CubicIntersection_RandTest();
-void CubicIntersection_RandTestOld();
-void CubicParameterization_Test();
-void CubicReduceOrder_Test();
-void CubicsToQuadratics_OneOffTest();
-void CubicsToQuadratics_OneOffTests();
-void CubicsToQuadratics_RandTest();
-void CubicToQuadratics_Test();
-void CubicUtilities_Test();
-void Inline_Tests();
-void Intersection_Tests();
-void LineCubicIntersection_Test();
-void LineIntersection_Test();
-void LineParameter_Test();
-void LineQuadraticIntersection_Test();
-void MiniSimplify_Test();
-void QuadraticIntersection_IntersectionFinder();
-void QuadraticIntersection_OneOffTest();
-void QuadraticIntersection_PointFinder();
-void QuadLineIntersectThreaded_Test(int& );
-void QuadraticBezierClip_Test();
-void QuadraticCoincidence_Test();
-void QuadraticIntersection_Test();
-void QuadraticParameterization_Test();
-void QuadraticReduceOrder_Test();
-void QuarticRoot_Test();
-void SimplifyAddIntersectingTs_Test();
-void SimplifyAngle_Test();
-void SimplifyDegenerate4x4TrianglesThreaded_Test(int& );
-void SimplifyFindNext_Test();
-void SimplifyFindTop_Test();
-void SimplifyNew_Test();
-void SimplifyNondegenerate4x4TrianglesThreaded_Test(int& );
-void SimplifyPolygonPaths_Test();
-void SimplifyQuadralateralPaths_Test();
-void SimplifyQuadraticPaths_Test();
-void Simplify4x4QuadralateralsThreaded_Test(int& );
-void Simplify4x4QuadraticsThreaded_Test(int& );
-void Simplify4x4RectsThreaded_Test(int& );
-void SimplifyRectangularPaths_Test();
-void ShapeOps4x4CubicsThreaded_Test(int& );
-void ShapeOps4x4RectsThreaded_Test(int& );