remove prototype pathops code

experimental/Intersection/CubicUtilities_Test.cpp

-/*
- * 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 "Intersection_Tests.h"
-#include "CubicUtilities.h"
-
-const Cubic tests[] = {
-    {{2, 0}, {3, 1}, {2, 2}, {1, 1}},
-    {{3, 1}, {2, 2}, {1, 1}, {2, 0}},
-    {{3, 0}, {2, 1}, {3, 2}, {1, 1}},
-};
-
-const size_t tests_count = sizeof(tests) / sizeof(tests[0]);
-static size_t firstLineParameterTest = 0;
-
-void CubicUtilities_Test() {
-    for (size_t index = firstLineParameterTest; index < tests_count; ++index) {
-        const Cubic& cubic = tests[index];
-        bool result = clockwise(cubic);
-        if (!result) {
-            SkDebugf("%s [%d] expected clockwise\n", __FUNCTION__, index);
-            SkASSERT(0);
-        }
-    }
-}