upgrade to Filament 1.21.0

ios/include/utils/api_level.h

@@ -1,34 +0,0 @@
-/*
- * Copyright (C) 2019 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#ifndef TNT_UTILS_APILEVEL_H
-#define TNT_UTILS_APILEVEL_H
-
-#include <utils/compiler.h>
-
-namespace utils {
-
-/**
- * Returns this platform's API level. On Android this function will return
- * the API level as defined by the SDK API level version. If a platform does
- * not have an API level, this function returns 0.
- */
-UTILS_PUBLIC
-int api_level();
-
-} // namespace utils
-
-#endif // TNT_UTILS_APILEVEL_H