Cleanup preview macros (#1632) #3648

Job	Run time
copyright_check	0s
examples_clang-format	10s
codespell	15s
ubuntu-latest_g++_cxx14_relwithdebinfo_preview=OFF	20m 19s
macos-14_clang++_cxx14_relwithdebinfo_preview=ON	8m 56s
python_module_test_ubuntu_latest	33s
ubuntu-20.04_g++_cxx17_release_preview=ON	17m 36s
macos-13_clang++_cxx20_release_preview=ON-DBUILD_SHARED_LIBS=OFF	17m 11s
ubuntu-20.04_g++-10_cxx20_debug_preview=ON	14m 47s
ubuntu-22.04_g++-11_cxx20_release_preview=ON-DBUILD_SHARED_LIBS=OFF	17m 3s
doc_examples_ubuntu-latest_g++_cxx20_relwithdebinfo	39s
examples_ubuntu-latest_g++_cxx14_relwithdebinfo_preview=OFF	4m 28s
examples_ubuntu-20.04_g++_cxx17_release_preview=ON	3m 55s
examples_ubuntu-20.04_g++-10_cxx20_debug_preview=ON	4m 34s
examples_macos-15_clang++_cxx14_relwithdebinfo_preview=ON	2m 41s
doc_examples_windows-2022_cl_cxx20_relwithdebinfo	1m 31s
examples_windows_cl2019_cxx14_relwithdebinfo_preview=ON	6m 12s
examples_windows_cl2022_cxx17_relwithdebinfo_preview=OFF	6m 8s
windows_cl2019_cxx14_relwithdebinfo_preview=ON	14m 39s
windows_cl2019_cxx20_release_preview=ON-DBUILD_SHARED_LIBS=OFF	20m 54s
windows_cl2022_cxx17_relwithdebinfo_preview=OFF	15m 46s
documentation	51s
pages	5s
	2h 59m 13s

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