cmake: Cleanup CMake code #1205

Job	Run time
emscripten	1m 58s
android (ON)	6m 8s
linux (clang, clang++, Debug)	6m 29s
android (OFF)	5m 34s
linux (clang, clang++, Release)	6m 41s
iOS	18m 23s
linux (gcc, g++, Debug)	7m 8s
Linux Backcompat	15m 33s
linux (gcc, g++, Release)	6m 12s
linux-shared (clang, clang++, Release)	6m 43s
linux-asan (gcc, g++, Debug, -fsanitize=address)	8m 41s
linux-shared (gcc, g++, Release)	6m 20s
linux-asan (gcc, g++, Debug, -fsanitize=thread)	13m 32s
macos (macos-14, clang, clang++, Debug)	5m 48s
macos-shared (macos-14, clang, clang++, Release)	4m 2s
linux-asan (gcc, g++, Debug, -fsanitize=undefined)	9m 2s
macos (macos-14, clang, clang++, Release)	4m 4s
windows (windows-2019, windows, Debug)	5m 40s
macos (macos-13, clang, clang++, Debug)	9m 17s
windows (windows-2019, windows, Release)	6m 3s
windows-shared (windows-2019, windows, Debug)	5m 30s
macos (macos-13, clang, clang++, Release)	11m 46s
windows-shared (windows-2019, windows, Release)	6m 44s
	2h 57m 18s

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