remove tmpfile hack again (#446) #1929

Job	Run time
build-test-downstream (ubuntu-24.04, ubuntu-24.04-clang-18, ubuntu-24.04-clang-18)	1m 36s
build-test-downstream (ubuntu-24.04, ubuntu-24.04-gcc-14, ubuntu-24.04-gcc-14)	1m 17s
build-test-downstream (macos-14, macos-14-armv8-clang-14, macos-14-armv8-clang-14)	23s
build-test-downstream (ubuntu-24.04, ubuntu-24.04-clang-18, android-35-x86_64, 28.1.13356709)	2m 3s
build-test-downstream (macos-13, macos-13-clang-14, macos-13-clang-14)	41s
build-test-downstream (windows-2022, windows-2022-msvc-1940, windows-2022-msvc-1940)	37s
build (ubuntu-24.04, ubuntu-24.04-gcc-14, ubuntu-24.04-gcc-14)	30s
build (macos-14, macos-14-armv8-clang-14, macos-14-armv8-clang-14)	23s
build (windows-2022, windows-2022-msvc-1940, windows-2022-msvc-1940)	43s
build (ubuntu-24.04, ubuntu-24.04-clang-18, ubuntu-24.04-clang-18)	1m 59s
build (ubuntu-24.04, ubuntu-24.04-clang-18, android-35-x86_64, 28.1.13356709)	1m 56s
build (macos-13, macos-13-clang-14, macos-13-clang-14)	39s
docker	0s
test	0s
	12m 47s

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