Remove more unused marcos.

Tools/TestWebKitAPI/mac/InjectedBundleControllerMac.mm

Index: Tools/TestWebKitAPI/mac/InjectedBundleControllerMac.mm
diff --git a/Tools/TestWebKitAPI/mac/InjectedBundleControllerMac.mm b/Tools/TestWebKitAPI/mac/InjectedBundleControllerMac.mm
index 965beb4ae6312419eaa6729e64287eae66a33cff..732f90d79e598b9a2389950047461bce3acd75b4 100644
--- a/Tools/TestWebKitAPI/mac/InjectedBundleControllerMac.mm
+++ b/Tools/TestWebKitAPI/mac/InjectedBundleControllerMac.mm
@@ -40,11 +40,7 @@ void InjectedBundleController::platformInitialize()
     NSDictionary *dict = [NSDictionary dictionaryWithObjectsAndKeys:
                           [NSNumber numberWithInteger:4],   @"AppleAntiAliasingThreshold",
                           [NSNumber numberWithInteger:0],   @"AppleFontSmoothing",
-#if __MAC_OS_X_VERSION_MIN_REQUIRED >= 1080 && !PLATFORM(CHROMIUM)
-                          [NSNumber numberWithBool:NO],     @"NSScrollAnimationEnabled",
-#else
                           [NSNumber numberWithBool:NO],     @"AppleScrollAnimationEnabled",
-#endif
                           [NSNumber numberWithBool:NO],     @"NSOverlayScrollersEnabled",
                           @"Always",                        @"AppleShowScrollBars",
                           nil];