Revert "[libcxx][gardening] Move all algorithms into their own headers."

This reverts commit 7ed7d4ccb8991e2b5b95334b508f8cec2faee737 as it
uncovered a Clang bug PR50592.

1 files changed, 0 insertions, 111 deletions

diff --git a/libcxx/include/__algorithm/remove.h b/libcxx/include/__algorithm/remove.h
deleted file mode 100644
index 95296bd..0000000
--- a/libcxx/include/__algorithm/remove.h
+++ /dev/null
@@ -1,111 +0,0 @@
-//===----------------------------------------------------------------------===//
-//
-// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
-// See https://llvm.org/LICENSE.txt for license information.
-// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
-//
-//===----------------------------------------------------------------------===//
-
-#ifndef _LIBCPP___ALGORITHM_REMOVE_H
-#define _LIBCPP___ALGORITHM_REMOVE_H
-
-#include <__config>
-#include <__algorithm/find.h>
-#include <__algorithm/find_if.h>
-#include <type_traits>
-
-#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
-#pragma GCC system_header
-#endif
-
-_LIBCPP_PUSH_MACROS
-#include <__undef_macros>
-
-_LIBCPP_BEGIN_NAMESPACE_STD
-
-// remove
-
-template <class _ForwardIterator, class _Tp>
-_LIBCPP_NODISCARD_EXT _LIBCPP_CONSTEXPR_AFTER_CXX17 _ForwardIterator
-remove(_ForwardIterator __first, _ForwardIterator __last, const _Tp& __value_)
-{
-    __first = _VSTD::find(__first, __last, __value_);
-    if (__first != __last)
-    {
-        _ForwardIterator __i = __first;
-        while (++__i != __last)
-        {
-            if (!(*__i == __value_))
-            {
-                *__first = _VSTD::move(*__i);
-                ++__first;
-            }
-        }
-    }
-    return __first;
-}
-
-// remove_if
-
-template <class _ForwardIterator, class _Predicate>
-_LIBCPP_NODISCARD_EXT _LIBCPP_CONSTEXPR_AFTER_CXX17 _ForwardIterator
-remove_if(_ForwardIterator __first, _ForwardIterator __last, _Predicate __pred)
-{
-    __first = _VSTD::find_if<_ForwardIterator, typename add_lvalue_reference<_Predicate>::type>
-                           (__first, __last, __pred);
-    if (__first != __last)
-    {
-        _ForwardIterator __i = __first;
-        while (++__i != __last)
-        {
-            if (!__pred(*__i))
-            {
-                *__first = _VSTD::move(*__i);
-                ++__first;
-            }
-        }
-    }
-    return __first;
-}
-
-// remove_copy
-
-template <class _InputIterator, class _OutputIterator, class _Tp>
-inline _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX17
-_OutputIterator
-remove_copy(_InputIterator __first, _InputIterator __last, _OutputIterator __result, const _Tp& __value_)
-{
-    for (; __first != __last; ++__first)
-    {
-        if (!(*__first == __value_))
-        {
-            *__result = *__first;
-            ++__result;
-        }
-    }
-    return __result;
-}
-
-// remove_copy_if
-
-template <class _InputIterator, class _OutputIterator, class _Predicate>
-inline _LIBCPP_INLINE_VISIBILITY _LIBCPP_CONSTEXPR_AFTER_CXX17
-_OutputIterator
-remove_copy_if(_InputIterator __first, _InputIterator __last, _OutputIterator __result, _Predicate __pred)
-{
-    for (; __first != __last; ++__first)
-    {
-        if (!__pred(*__first))
-        {
-            *__result = *__first;
-            ++__result;
-        }
-    }
-    return __result;
-}
-
-_LIBCPP_END_NAMESPACE_STD
-
-_LIBCPP_POP_MACROS
-
-#endif // _LIBCPP___ALGORITHM_REMOVE_H