[libcxx[ Run generate_private_header_tests.py

The script was recently updated to generate different output. This
breaks the CI due the patches which used the old version of the script.

libcxx/test/libcxx/diagnostics/detail.headers/format/formatter_bool.module.verify.cpp

@@ -1,4 +1,3 @@
-// -*- C++ -*-
 //===----------------------------------------------------------------------===//
 //
 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.

libcxx/test/libcxx/diagnostics/detail.headers/format/formatter_char.module.verify.cpp

@@ -1,4 +1,3 @@
-// -*- C++ -*-
 //===----------------------------------------------------------------------===//
 //
 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.

libcxx/test/libcxx/diagnostics/detail.headers/format/formatter_integer.module.verify.cpp

@@ -1,4 +1,3 @@
-// -*- C++ -*-
 //===----------------------------------------------------------------------===//
 //
 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.

libcxx/test/libcxx/diagnostics/detail.headers/format/formatter_integral.module.verify.cpp

@@ -1,4 +1,3 @@
-// -*- C++ -*-
 //===----------------------------------------------------------------------===//
 //
 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.

libcxx/test/libcxx/diagnostics/detail.headers/format/formatter_string.module.verify.cpp

@@ -1,4 +1,3 @@
-// -*- C++ -*-
 //===----------------------------------------------------------------------===//
 //
 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.