Simplify CI code for format checking #619

Job	Run time
clang-format	8s
Coverage	1m 0s
Docs	10s
ASan	55s
UBSan	1m 4s
Windows MSVC Shared Debug	1m 52s
clang-tidy	27s
Windows MSVC Shared Release	1m 56s
Windows MSVC Static Debug	1m 39s
Windows MSVC Static Release	2m 0s
Windows ClangCL Shared Debug	2m 36s
Windows ClangCL Shared Release	2m 10s
Windows ClangCL Static Debug	2m 6s
Windows ClangCL Static Release	2m 37s
Windows Clang Shared Debug	1m 35s
Windows Clang Shared Release	1m 1s
Windows Clang Static Debug	51s
Windows Clang Static Release	1m 41s
Linux GCC Shared Debug	29s
Linux GCC Shared Release	30s
Linux GCC Static Debug	28s
Linux GCC Static Release	31s
Linux Clang Shared Debug	44s
Linux Clang Shared Release	37s
Linux Clang Static Debug	32s
Linux Clang Static Release	42s
macOS GCC Shared Debug	30s
macOS GCC Shared Release	36s
macOS GCC Static Debug	34s
macOS GCC Static Release	32s
macOS Clang Shared Debug	1m 24s
macOS Clang Shared Release	1m 26s
macOS Clang Static Debug	1m 36s
macOS Clang Static Release	1m 42s
	38m 41s

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