Remove non-chromium code from TestWebKitAPI

Tools/TestWebKitAPI/Configurations/TestWebKitAPI.xcconfig

-// Copyright (C) 2010 Apple Inc. All rights reserved.
-//
-// Redistribution and use in source and binary forms, with or without
-// modification, are permitted provided that the following conditions
-// are met:
-// 1. Redistributions of source code must retain the above copyright
-//    notice, this list of conditions and the following disclaimer.
-// 2. Redistributions in binary form must reproduce the above copyright
-//    notice, this list of conditions and the following disclaimer in the
-//    documentation and/or other materials provided with the distribution.
-//
-// THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
-// EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
-// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
-// PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE INC. OR
-// CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
-// EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
-// PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
-// PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
-// OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
-// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
-// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 
-
-PRODUCT_NAME = TestWebKitAPI;
-GCC_ENABLE_OBJC_EXCEPTIONS = YES;
-
-OTHER_LDFLAGS = -lgtest -framework JavaScriptCore -framework WebKit $(OTHER_LDFLAGS_$(PLATFORM_NAME));
-OTHER_LDFLAGS_iphoneos = -framework WebCore;
-OTHER_LDFLAGS_iphonesimulator = $(OTHER_LDFLAGS_iphoneos);
-OTHER_LDFLAGS_macosx = -framework Cocoa -framework Carbon -framework WebKit2;