Drop 10.5 support

compat/mac/servers/bootstrap.h

-// Copyright 2014 The Crashpad Authors. All rights reserved.
-//
-// 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 CRASHPAD_COMPAT_MAC_SERVERS_BOOTSTRAP_H_
-#define CRASHPAD_COMPAT_MAC_SERVERS_BOOTSTRAP_H_
-
-#include_next <servers/bootstrap.h>
-
-// <servers/bootstrap.h>
-
-// 10.6 SDK
-
-#ifndef BOOTSTRAP_NO_CHILDREN
-#define BOOTSTRAP_NO_CHILDREN 1106
-#endif
-
-#endif  // CRASHPAD_COMPAT_MAC_SERVERS_BOOTSTRAP_H_