Remove headers #1321

Job	Run time
linux_gcc_sanitizers	3m 16s
linux_gcc_mpopcnt (ubuntu-latest, Debug)	4m 29s
linux_gcc (ubuntu-latest, Release)	1m 24s
linux_gcc (ubuntu-latest, Debug)	4m 25s
windows_mingw64 (windows-latest, Release)	4m 16s
windows_msvc2022_POPCNT	2m 22s
linux_gcc_mpopcnt (ubuntu-latest, Release)	1m 25s
linux_clang (ubuntu-latest, Release)	4m 5s
windows_mingw64 (windows-latest, Debug)	10m 28s
linux_gcc_valgrind	1m 15s
windows_msvc2022	2m 19s
linux_emscripten (ubuntu-latest, Release)	2m 15s
linux_128bit	9m 57s
macos_clang (macos-latest, Debug)	6m 10s
linux_clang_mpopcnt (ubuntu-latest, Release)	4m 16s
macos_clang (macos-latest, Release)	2m 52s
linux_clang_mpopcnt (ubuntu-latest, Debug)	7m 16s
linux_clang (ubuntu-latest, Debug)	7m 31s
	1h 20m 1s

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