Migrate `intrinsics` module to use StableMIR #5936

Job	Run time
benchcomp-tests	3m 31s
bookrunner	16m 5s
perf	27m 15s
regression (macos-12)	25m 30s
write-json-symtab-regression	12m 12s
regression (ubuntu-20.04)	19m 48s
regression (ubuntu-22.04)	20m 21s
	2h 4m 42s

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