metal : consolidate bin kernels (#19390) #102

Job	Run time
server-windows	12m 53s
server (ADDRESS, RelWithDebInfo)	19m 37s
server (UNDEFINED, RelWithDebInfo)	17m 59s
server (Release, LLAMA_ARG_BACKEND_SAMPLING=1)	11m 13s
server (Release)	11m 22s
	1h 13m 4s

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