Move SPIRV into glslang #1197

Job	Run time
emscripten	1m 24s
iOS	20m 32s
android (ON)	6m 9s
linux (clang, clang++, Debug)	6m 25s
android (OFF)	5m 27s
Linux Backcompat	15m 21s
linux (clang, clang++, Release)	6m 44s
linux-asan (gcc, g++, Debug, -fsanitize=address)	8m 39s
linux (gcc, g++, Debug)	7m 12s
linux-asan (gcc, g++, Debug, -fsanitize=thread)	13m 13s
linux-shared (clang, clang++, Release)	1m 39s
linux-asan (gcc, g++, Debug, -fsanitize=undefined)	9m 31s
linux (gcc, g++, Release)	6m 27s
linux-shared (gcc, g++, Release)	2m 4s
macos (macos-14, clang, clang++, Debug)	5m 23s
macos-shared (macos-14, clang, clang++, Release)	4m 44s
macos (macos-14, clang, clang++, Release)	5m 10s
windows-shared (windows-2019, windows, Debug)	6m 10s
windows (windows-2019, windows, Debug)	7m 52s
windows-shared (windows-2019, windows, Release)	7m 33s
macos (macos-13, clang, clang++, Debug)	9m 34s
windows (windows-2019, windows, Release)	6m 38s
macos (macos-13, clang, clang++, Release)	10m 53s
	2h 54m 44s

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