Really remove config.h

sky/engine/core/animation/InterpolationEffectTest.cpp

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
-#include "sky/engine/config.h"
 #include "sky/engine/core/animation/InterpolationEffect.h"
 
 #include <gtest/gtest.h>
 
 namespace {
 
 const double duration = 1.0;
 
 } // namespace
 
@@ skipping 73 matching lines @@
     EXPECT_EQ(1ul, activeInterpolations->size());
     EXPECT_FLOAT_EQ(12.5f, getInterpolableNumber(activeInterpolations->at(0)));
 
     activeInterpolations = interpolationEffect->getActiveInterpolations(2, duration);
     EXPECT_EQ(1ul, activeInterpolations->size());
     EXPECT_FLOAT_EQ(15, getInterpolableNumber(activeInterpolations->at(0)));
 }
 
 }