update external headers

ios/include/mathio/ostream.h

@@ -1,60 +0,0 @@
-/*
- * Copyright (C) 2020 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.
- */
-
-#include <iosfwd>
-#include <math/mathfwd.h>
-
-#if __has_attribute(visibility)
-#    define MATHIO_PUBLIC __attribute__((visibility("default")))
-#else
-#    define MATHIO_PUBLIC
-#endif
-
-namespace filament {
-namespace math {
-
-namespace details { template<typename T> class TQuaternion; }
-
-template<typename T>
-MATHIO_PUBLIC
-std::ostream& operator<<(std::ostream& out, const details::TVec2<T>& v) noexcept;
-
-template<typename T>
-MATHIO_PUBLIC
-std::ostream& operator<<(std::ostream& out, const details::TVec3<T>& v) noexcept;
-
-template<typename T>
-MATHIO_PUBLIC
-std::ostream& operator<<(std::ostream& out, const details::TVec4<T>& v) noexcept;
-
-template<typename T>
-MATHIO_PUBLIC
-std::ostream& operator<<(std::ostream& out, const details::TMat22<T>& v) noexcept;
-
-template<typename T>
-MATHIO_PUBLIC
-std::ostream& operator<<(std::ostream& out, const details::TMat33<T>& v) noexcept;
-
-template<typename T>
-MATHIO_PUBLIC
-std::ostream& operator<<(std::ostream& out, const details::TMat44<T>& v) noexcept;
-
-template<typename T>
-MATHIO_PUBLIC
-std::ostream& operator<<(std::ostream& out, const details::TQuaternion<T>& v) noexcept;
-
-}  // namespace math
-}  // namespace filament